the band has released seven studio albums along with two live albums, one greatest-hits album, and two extended plays. they have also 16 singles on the "billboard" hot country songs or country airplay chart, of which 13 have reached number 1. their first album, "the foundation", is certified triple-platinum by the recording industry association of america, while its follow-ups, "you get what you give" and "uncaged", are certified platinum. artists with whom they have collaborated include alan jackson, jimmy buffett, kid rock, jason mraz, dave grohl, chris cornell and avicii.