checked the expired link on this Amazon and it seems to be back in stock....
Grab your mic and start singing NOW! Featuring 30 chart hits including 17 number ones from some of the world's biggest artists. Grab a mic and sing solo or play with up to 7 other friends and really get the party started. You will require a USB Microphone to play the game which is sold separately
CLASSIC: Sing a song solo or play against your friends. BY HEART: Like 'CLASSIC' mode but some of the lyrics will disappear during the round. DUET: Sing a real duet with your friends EXPERT: Test your memory in the 'EXPERT' mode which has no on-screen lyrics or visual cues. PASS THE MIC: Let's you play with a partner sharing one mic. FIRST TO 20,000: Compete against your friends and gain points. The first person to reach 20,000 points wins. ELIMINATION: Start with a full bar of energy which depletes with every wrong note. If you lose all your energy, you're out. The last Player standing wins.