How Do I Import Songs from World Tour to Band Hero Wii?

i have world tour and bought some songs on the music store. when i got band hero they went to band hero all on their own but i want to put the songs that i did not buy on to band hero. i mean the ones that came with the game. i think i have to use the music store some how but i don't know how. both games are for the wii. is this even possible?

Suggestion:

was the code used all ready?you proably dont have enough space