Is there rock band unplugged money glitch for psp?

Yes, there is a well-known glitch in "Rock Band Unplugged" for PSP that allows players to earn extra money. By repeatedly playing certain songs and using specific techniques, players can exploit the game's mechanics to accumulate in-game currency more quickly than intended. However, such glitches can vary in effectiveness and may be patched in later versions or updates, so results can differ. Always check community forums for the latest strategies and tips.