The first is on Season 5 - episode 7 Bam on the river and plays when the party on the river and do flips of the raft and into the water this song has no words (that i know of) and is also heard on Season 4 - Episode 3 cKy Get Jobs and stats when bam says "Yo we should all get a job together" and starts just before they start the job miking cows

The Second is at the end of bam on the river ( Season 5 Ep 7) when they throw the pool party And dicamillo sings a song sounds like a gnarkill song all i can understand is the word YOUUUU

Thanks in Advance -