In April, gamers will have no shortage of new songs to rock out to on Activision Guitar Hero World Tour with downloadable music from five distinctive rock bands. The Pixies make their Guitar Hero debut; returning veterans Silversun Pickups will release two brand-new songs off their sophomore album, prior to its release; Nirvana returns for a downloadable encore with three additional hits; while Motorhead and Steely Dan, each with singles featured on Guitar Hero World Tour’s on-disc set list, make a resounding return.

On April 2nd, fans will be introduced to The Pixies’ alternative rock music for the first time ever in a Guitar Hero game. Virtual musicians will experience two singles from The Pixies’ second album, Doolittle, with "Debaser" and the highly successful "Monkey Gone to Heaven," along with "The Sad Punk" from Trompe le Monde, their fourth and final full-length studio album.

Gamers will be able to get an exclusive taste of Silversun Pickups’ new music before their release of their second album, Swoon, on April 14 with "Panic Switch" and "It’s Nice to Know You Work Alone." "Well Thought Out Twinkles" from their breakthrough album, Carnavas, will round out the Track Pack, available on April 9th.

Returning to Guitar Hero World Tour on April 16th is the popular rock band from the 70’s, Steely Dan. This time around, the band will contribute one single each from three of their albums - "Black Friday" from Katy Lied, "Kid Charlemagne" from The Royal Scam and "Bodhisattva" from Countdown to Ecstasy.

For download on April 23rd, British hard rock band, Motorhead, re-recorded new versions of "Jailbait," "Love Me Like a Reptile," and "Iron Fist" for Guitar Hero World Tour.

With their second downloadable Track Pack, Kurt Cobain, Krist Novoselic and Dave Grohl of Nirvana will be returning to Guitar Hero World Tour on April 30th with "Very Ape" from In Utero, "Sappy" from the No Alternative compilation and "Stay Away" from their breakthrough, first major label album, Nevermind.

The Track Packs will be available on Xbox LIVE Marketplace for the Xbox 360 for 440 Microsoft Points and on the PlayStation Store for the PS 3 for $5.49. All songs in the Track Packs will be released as downloadable singles for Xbox 360 for 160 Microsoft Points, PS 3 for $1.99 and Wii for 200 Wii Points each.