Rock Band 2 - Flawless Singing Achievement

Here’s how:

• Go to Quick Play or Tour mode
• Select “So Watcha Want” by the Beastie Boys on expert difficulty
• When the song starts, put the microphone up to the speaker for the entire song
• Yell to activate Overdrive when it appears
• Tap the microphone during solos
• You will have a 100% rank and gold stars

** Make sure the volume is loud enough