Crystal Theme (Round Up)
Crystal Theme (Round Up) is a short theme that is played when you see the crystal ball in between each round.
The title comes from the album Galaxy Force where it is listed as "水晶玉のテーマ (Round Up)" Suisho dama no tema. This song is the middle section of part 3 of track 2. It's also track 5 on Sega System 16: Complete Soundtrack Vol.2.
Altered Beast (ARC)
This is the original composition of Crystal Theme as composed by Tohru Nakabayashi.
The song plays on a YM2151 and is internal song number 0x93.
Altered Beast (GEN)
The Genesis version plays on the YM2612.