Download Real player. Go to You tube type the song you want in the corner it says download this clip click that. than go to real player's library and it's there. That's how you do it.
YOU CAN DOWNLOAD SONGS FROM WALMART FOR 88 CENTS EACH. Also, you can record all online music free and directly by the use of a streaming audio capture. But it is only for personal use.
There is no such music genre nor type of song titled "Roobaroo." However, there is a song named Roobaroo, in which case you can find in file sharing software like Limewire or music downloading...
Not sure about that one. One place I've heard it was in the James Cagney movie "Yankee Doodle Dandy", where he played the writer of the song, George M. Cohan