There is an 'all-in-one' installer that will get you GHWT+ all the downloadable content and setlists.
Is there a way to get all the DLCS from Guitar Hero World Tour on PC? the last link have a pack for world tour. The PS2 has no online capabilities for this game, and so, you can not buy additional downloadable tracks, nor can you download. Unless Activision does what Harmonix is doing, and releases Track Packs on disc to buy at a retail store, no.
Songs in guitar hero world tour Can we get new songs to play in Guitar Hero World Tour? willwilco - 14 years ago - report.