Danny Allen at Gizmodo reports:

I’ve been psyched for Rock Band on the free iPhone 3GS and free iPod Touch this ever since EA confirmed the multi-player mode supports four players over Bluetooth. The $10 app lets you invite Facebook friends, and choose guitar, bass, drums or vocals. 20 tracks are included, too…here’s the full listing:

There’s also a solo mode, of course. And additional tracks available to buy from artists like Foo Fighters, Devo, Smashing Pumpkins, and Leny Kravitz. Sweet!

“Attack” – 30 Seconds To Mars
“Girls Not Grey” – AFI
“Move Along” – All American Rejects
“Sabotage” – Beastie Boys
“All The Small Things” – Blink-182
“Hanging on the Telephone” – Blondie
“Learn To Fly” – Foo Fighters
“Everlong” – Foo Fighters
“Bad to The Bone” – George Thorogood & the Destroyers
“Hymn 43? – Jethro Tull
“Bad Reputation” – Joan Jett
“Simple Man” – Lynard Skynard
“Ace of Spades ‘08? – Motorhead
“Debaser” – Pixies
“Ladybug” – Presidents of The United States of America
“Give It All” – Rise Against
“Lazy Eye” – Silversun Pick Ups
“Cherub Rock” – Smashing Pumpkins
“Take The Money and Run” – Steve Miller Band
“We Got The Beat” – The Go Go’s

Source: Gizmodo