diff --git a/po/cs.po b/po/cs.po
index ae83b560..7650364e 100644
--- a/po/cs.po
+++ b/po/cs.po
@@ -1211,8 +1211,8 @@ msgstr "Právě přehrávaná skladba"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kbps"
+msgid "{} kbps"
+msgstr "{} kbps"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/da.po b/po/da.po
index 68ce79f8..4d983747 100644
--- a/po/da.po
+++ b/po/da.po
@@ -1209,8 +1209,8 @@ msgstr "Nummer der afspilles"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kb/sek"
+msgid "{} kbps"
+msgstr "{} kb/sek"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/de.po b/po/de.po
index 445cc5ef..1061d711 100644
--- a/po/de.po
+++ b/po/de.po
@@ -1200,8 +1200,8 @@ msgstr "Gerade laufendes Lied"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kB/s"
+msgid "{} kbps"
+msgstr "{} kB/s"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/en.po b/po/en.po
index f78f3768..5725d7e9 100644
--- a/po/en.po
+++ b/po/en.po
@@ -1191,8 +1191,8 @@ msgstr "Currently playing song"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kbps"
+msgid "{} kbps"
+msgstr "{} kbps"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/eo.po b/po/eo.po
index b4ba7ef4..5a44bfdb 100644
--- a/po/eo.po
+++ b/po/eo.po
@@ -1196,8 +1196,8 @@ msgstr "Nuntempe ludata kanto"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kilobitoj/sek"
+msgid "{} kbps"
+msgstr "{} kilobitoj/sek"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/es.po b/po/es.po
index 341f7e4a..34eb6a57 100644
--- a/po/es.po
+++ b/po/es.po
@@ -1205,8 +1205,8 @@ msgstr "Canción reproducida"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kbps"
+msgid "{} kbps"
+msgstr "{} kbps"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/fa.po b/po/fa.po
index 8a073b51..1f462554 100644
--- a/po/fa.po
+++ b/po/fa.po
@@ -1185,7 +1185,7 @@ msgstr ""
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
+msgid "{} kbps"
 msgstr ""
 
 #: src/SongPage.cxx:536
diff --git a/po/fi.po b/po/fi.po
index 23dc0f5b..6a40581d 100644
--- a/po/fi.po
+++ b/po/fi.po
@@ -1198,8 +1198,8 @@ msgstr ""
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kb/s"
+msgid "{} kbps"
+msgstr "{} kb/s"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/fr.po b/po/fr.po
index 5cb9d8bb..be79b3a5 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -1203,8 +1203,8 @@ msgstr "Chanson actuellement jouée"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d ko/s"
+msgid "{} kbps"
+msgstr "{} ko/s"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/gl.po b/po/gl.po
index f7721a07..de1359b1 100644
--- a/po/gl.po
+++ b/po/gl.po
@@ -1209,8 +1209,8 @@ msgstr "Canción que se está reproducindo"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kbps"
+msgid "{} kbps"
+msgstr "{} kbps"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/he.po b/po/he.po
index e6dd3da4..3b90b7ea 100644
--- a/po/he.po
+++ b/po/he.po
@@ -1190,8 +1190,8 @@ msgstr "שיר עכשווי"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kbps"
+msgid "{} kbps"
+msgstr "{} kbps"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/hu.po b/po/hu.po
index 92b5741d..50353727 100644
--- a/po/hu.po
+++ b/po/hu.po
@@ -1205,8 +1205,8 @@ msgstr "Jelenlegi zene"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kbps"
+msgid "{} kbps"
+msgstr "{} kbps"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/ie.po b/po/ie.po
index d1e08c6a..ad0a87bb 100644
--- a/po/ie.po
+++ b/po/ie.po
@@ -1195,8 +1195,8 @@ msgstr "Reproductet canzone"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kops"
+msgid "{} kbps"
+msgstr "{} kops"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/it.po b/po/it.po
index f31228a4..addc604b 100644
--- a/po/it.po
+++ b/po/it.po
@@ -1198,8 +1198,8 @@ msgstr "Brano riprodotto"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kB/s"
+msgid "{} kbps"
+msgstr "{} kB/s"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/ja.po b/po/ja.po
index fa6e3d4b..dc3d3bc4 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -1189,7 +1189,7 @@ msgstr ""
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
+msgid "{} kbps"
 msgstr ""
 
 #: src/SongPage.cxx:536
diff --git a/po/ko.po b/po/ko.po
index 4a9078da..f6ae17fe 100644
--- a/po/ko.po
+++ b/po/ko.po
@@ -1189,8 +1189,8 @@ msgstr "지금 연주 중인 곡"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kbps"
+msgid "{} kbps"
+msgstr "{} kbps"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/lt.po b/po/lt.po
index 3bd8ed1e..055b4720 100644
--- a/po/lt.po
+++ b/po/lt.po
@@ -1194,8 +1194,8 @@ msgstr "Šiuo metu grojama daina"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kbps"
+msgid "{} kbps"
+msgstr "{} kbps"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/nb.po b/po/nb.po
index fdef4c58..28c99d8e 100644
--- a/po/nb.po
+++ b/po/nb.po
@@ -1219,8 +1219,8 @@ msgstr "Sang som spilles nå"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kbps"
+msgid "{} kbps"
+msgstr "{} kbps"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/ncmpc.pot b/po/ncmpc.pot
index 8a3167bd..1d804cf9 100644
--- a/po/ncmpc.pot
+++ b/po/ncmpc.pot
@@ -1186,7 +1186,7 @@ msgstr ""
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
+msgid "{} kbps"
 msgstr ""
 
 #: src/SongPage.cxx:536
diff --git a/po/nl.po b/po/nl.po
index baa3f24d..b9dc4f67 100644
--- a/po/nl.po
+++ b/po/nl.po
@@ -1201,8 +1201,8 @@ msgstr ""
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kbps"
+msgid "{} kbps"
+msgstr "{} kbps"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/pl.po b/po/pl.po
index 73d50dbf..145428c7 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -1193,8 +1193,8 @@ msgstr "Obecnie odtwarzany utwór"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kbps"
+msgid "{} kbps"
+msgstr "{} kbps"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/pt.po b/po/pt.po
index 3878916d..1062e461 100644
--- a/po/pt.po
+++ b/po/pt.po
@@ -1201,8 +1201,8 @@ msgstr "Música atualmente em reprodução"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kbps"
+msgid "{} kbps"
+msgstr "{} kbps"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/pt_BR.po b/po/pt_BR.po
index 05a54efb..56258e99 100644
--- a/po/pt_BR.po
+++ b/po/pt_BR.po
@@ -1201,8 +1201,8 @@ msgstr "Faixa atualmente em reprodução"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kbps"
+msgid "{} kbps"
+msgstr "{} kbps"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/ru.po b/po/ru.po
index 5ec0dcd1..71cc393a 100644
--- a/po/ru.po
+++ b/po/ru.po
@@ -1193,8 +1193,8 @@ msgstr "Проигрываемая композиция"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d кбит/с"
+msgid "{} kbps"
+msgstr "{} кбит/с"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/sk.po b/po/sk.po
index aacb61b6..79dd7d6d 100644
--- a/po/sk.po
+++ b/po/sk.po
@@ -1194,8 +1194,8 @@ msgstr "Momentálne prehrávaná pieseň"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kbps"
+msgid "{} kbps"
+msgstr "{} kbps"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/sv.po b/po/sv.po
index 4c91b0a9..f94e5189 100644
--- a/po/sv.po
+++ b/po/sv.po
@@ -1197,8 +1197,8 @@ msgstr "Nuvarande spelar låt"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d kb/s"
+msgid "{} kbps"
+msgstr "{} kb/s"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/tr.po b/po/tr.po
index a6b97c9b..28816db7 100644
--- a/po/tr.po
+++ b/po/tr.po
@@ -1151,8 +1151,8 @@ msgstr "Çalan şarkı"
 
 #: src/SongPage.cxx:472
 #, c-format
-msgid "%d kbps"
-msgstr "%d kbps"
+msgid "{} kbps"
+msgstr "{} kbps"
 
 #: src/SongPage.cxx:556
 msgid "Song"
diff --git a/po/uk.po b/po/uk.po
index ea4cab4e..522d8c8e 100644
--- a/po/uk.po
+++ b/po/uk.po
@@ -1204,8 +1204,8 @@ msgstr "Пісня, що зараз програється"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "%d кбіт/с"
+msgid "{} kbps"
+msgstr "{} кбіт/с"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/po/zh_CN.po b/po/zh_CN.po
index e1991750..151fb87e 100644
--- a/po/zh_CN.po
+++ b/po/zh_CN.po
@@ -1197,8 +1197,8 @@ msgstr "当前播放曲目"
 
 #: src/SongPage.cxx:454
 #, c-format
-msgid "%d kbps"
-msgstr "码率 %d kbps"
+msgid "{} kbps"
+msgstr "码率 {} kbps"
 
 #: src/SongPage.cxx:536
 msgid "Song"
diff --git a/src/SongPage.cxx b/src/SongPage.cxx
index 7574d8f4..5ae54ee9 100644
--- a/src/SongPage.cxx
+++ b/src/SongPage.cxx
@@ -15,6 +15,7 @@
 #include "charset.hxx"
 #include "time_format.hxx"
 #include "mpdclient.hxx"
+#include "lib/fmt/ToSpan.hxx"
 #include "util/LocaleString.hxx"
 #include "util/StringAPI.hxx"
 #include "util/StringStrip.hxx"
@@ -31,6 +32,8 @@
 #include <assert.h>
 #include <time.h>
 
+using std::string_view_literals::operator""sv;
+
 enum {
 	LABEL_LENGTH = MPD_TAG_COUNT,
 	LABEL_PATH,
@@ -306,7 +309,7 @@ SongPage::AddSong(const struct mpd_song *song) noexcept
 		char length[16];
 		format_duration_short(length, mpd_song_get_duration(song));
 
-		const char *value = length;
+		std::string_view value = length;
 
 		char buffer[64];
 
@@ -315,16 +318,12 @@ SongPage::AddSong(const struct mpd_song *song) noexcept
 			format_duration_short(start, mpd_song_get_start(song));
 			format_duration_short(end, mpd_song_get_end(song));
 
-			snprintf(buffer, sizeof(buffer), "%s [%s-%s]\n",
-				 length, start, end);
-			value = buffer;
+			value = FmtTruncate(buffer, "{} [{}-{}]"sv, length, start, end);
 		} else if (mpd_song_get_start(song) > 0) {
 			char start[16];
 			format_duration_short(start, mpd_song_get_start(song));
 
-			snprintf(buffer, sizeof(buffer), "%s [%s-]\n",
-				 length, start);
-			value = buffer;
+			value = FmtTruncate(buffer, "{} [{}-]"sv, length, start);
 		}
 
 		AppendLine(get_tag_label(LABEL_LENGTH), value,
@@ -380,37 +379,37 @@ SongPage::AddStats(struct mpd_connection *connection) noexcept
 	return true;
 }
 
-static void
-audio_format_to_string(char *buffer, size_t size,
-		       const struct mpd_audio_format *format) noexcept
+[[nodiscard]] [[gnu::pure]]
+static std::string_view
+audio_format_to_string(std::span<char> buffer,
+		       const struct mpd_audio_format &format) noexcept
 {
-	if (format->bits == MPD_SAMPLE_FORMAT_FLOAT) {
-		snprintf(buffer, size, "%u:f:%u",
-			 format->sample_rate,
-			 format->channels);
-		return;
+	if (format.bits == MPD_SAMPLE_FORMAT_FLOAT) {
+		return FmtTruncate(buffer, "{}:f:{}"sv,
+				   format.sample_rate,
+				   format.channels);
 	}
 
-	if (format->bits == MPD_SAMPLE_FORMAT_DSD) {
-		if (format->sample_rate > 0 &&
-		    format->sample_rate % 44100 == 0) {
+	if (format.bits == MPD_SAMPLE_FORMAT_DSD) {
+		if (format.sample_rate > 0 &&
+		    format.sample_rate % 44100 == 0) {
 			/* use shortcuts such as "dsd64" which implies the
 			   sample rate */
-			snprintf(buffer, size, "dsd%u:%u",
-				 format->sample_rate * 8 / 44100,
-				 format->channels);
-			return;
+
+			return FmtTruncate(buffer, "dsd{}:{}"sv,
+					   format.sample_rate * 8 / 44100,
+					   format.channels);
 		}
 
-		snprintf(buffer, size, "%u:dsd:%u",
-			 format->sample_rate,
-			 format->channels);
-		return;
+		return FmtTruncate(buffer, "{}:dsd:{}"sv,
+				   format.sample_rate,
+				   format.channels);
 	}
 
-	snprintf(buffer, size, "%u:%u:%u",
-		 format->sample_rate, format->bits,
-		 format->channels);
+	return FmtTruncate(buffer, "{}:{}:{}"sv,
+			   format.sample_rate,
+			   format.bits,
+			   format.channels);
 }
 
 void
@@ -444,11 +443,11 @@ SongPage::Update(struct mpdclient &c, unsigned) noexcept
 		lines.emplace_back(_("Currently playing song"));
 		AddSong(played_song);
 
-		if (mpd_status_get_kbit_rate(c.status) > 0) {
+		if (const auto kbit_rate = mpd_status_get_kbit_rate(c.status);
+		    kbit_rate > 0) {
 			char buf[16];
-			snprintf(buf, sizeof(buf), _("%d kbps"),
-				 mpd_status_get_kbit_rate(c.status));
-			AppendLine(get_tag_label(LABEL_BITRATE), buf,
+			AppendLine(get_tag_label(LABEL_BITRATE),
+				   FmtTruncate(buf, _("{} kbps"), kbit_rate),
 				   max_tag_label_width);
 		}
 
@@ -456,8 +455,8 @@ SongPage::Update(struct mpdclient &c, unsigned) noexcept
 			mpd_status_get_audio_format(c.status);
 		if (format) {
 			char buf[32];
-			audio_format_to_string(buf, sizeof(buf), format);
-			AppendLine(get_tag_label(LABEL_FORMAT), buf,
+			AppendLine(get_tag_label(LABEL_FORMAT),
+				   audio_format_to_string(buf, *format),
 				   max_tag_label_width);
 		}