Chikyuu Marugoto Chou-Kessen (BGM)
From Dragon Ball Encyclopedia, the ''Dragon Ball'' wiki
"Chikyū Marugoto Chō-kessen" (地球 まるごと 超決戦, Chikyū Marugoto Chō-kessen) is a background music track (BGM) composed by prolific Japanese composer Shunsuke Kikuchi and produced by Toei Animation. It was created for the soundtrack of the original Japanese Dragon Ball anime series and played throughout many of the Dragon Ball and Dragon Ball Z sagas and films.
The track is confirmed to play during the following scenes: