Today, I'm trying to play some mp3 files on my New 3DS. It won't play on the 3DS, but perfect on my PC. I tried google, but found nothing. My mp3 files were id3v2.3 with id3v1. I found that if I change the id3v2.3 to id3v2.4, the music player will play them perfectly. So I guess the music player is not compatible with mp3 tag id3v2.3 Are there anyone have the same experience with me? Quite useless finding though.