Not sure of songs yet, but this is it according to official twitter.

Meh, I'm going to hold out for the Bieber 10-pack.

Matchbox Twenty Song Pack – $11.99

• Matchbox Twenty “3AM” (Capo Required)
• Matchbox Twenty “How Far We’ve Come”
• Matchbox Twenty “Push” (Eb Standard)
• Matchbox Twenty “Unwell” (Drop D [bass])
• Matchbox Twenty “She’s So Mean” (Drop D [bass])