I made a playlist of Dash themed songs using the links in OP as well as digging through some archives. There are over 200 songs. The playlist is primarily in MP3 format; however, there are a few as FLAC and WAV files. I recommend using VLC. Enjoy!

https://drive.google.com/file/d/1X9MNJ4WjOqFFMKoaQOJaPfo_Fp5CY0C3/view