What's that, Lassie? Tetris fell down a well?
The following text is stored in the audio CPU at 0x0F80:
Technos Japan OPM/MSM6295(Oki) Sound System Date Aug/29/1989 (c) Copyright 1987,1988 Studio Loaple
This is almost identical to the message in US Championship V'Ball, save for the different build date and the blank line where the phone number used to be.