You must clear a phrase of notes perfectly on one track to keep it playing automatically for a short period while you switch to another track using the L and R shoulder buttons.
Rock Band Unplugged and its USA-DLC pack have contributed significantly to the music gaming industry. The game's success can be attributed to its: Rock Band - Unplugged -USA- -DLC-
Unlike its predecessor, the DS’s Guitar Hero: On Tour (which required a cumbersome fret attachment), Unplugged did something clever. You played every instrument. In a single song. By swapping between them. It was a frantic, beautiful puzzle: keep the bass locked in, switch to drums for a fill, jump to guitar for a solo, then click over to vocals to save your multiplier. It was less about pretending to be a band and more about being a one-person schizophrenic conductor. And it worked. You must clear a phrase of notes perfectly