No, it skips 2 tracks instead of 1. Let's get back to -2.

internal/radio/icecast.go

@@ -150,7 +150,7 @@ func lastPlayedSongs(playlistPath string, n int) ([]Song, error) {
 		n = len(lines)
 	}
 
-	lines = lines[len(lines)-n-3 : len(lines)-3]
+	lines = lines[len(lines)-n-2 : len(lines)-2]
 
 	for _, line := range lines {
 		fields := bytes.Split(line, []byte("|"))