When I had my crappy Nokia N95, despite it’s really shonky OS, putting music on it from iTunes involved selecting the songs, then drag’n’dropping them into an appropriate folder on its SD card. My music is all AAC, it played them quite happily.
For two hours, when the battery ran out.
It should be just d’n’d, Android will play AAC as well as MP3, as they are both open file formats; AAC is MP4 after all.
There should be no need for third party ‘ware; if the computer can see the phone, then d’n’d, or just drag the music to a card in a card reader then put the card in the phone. Surely Android can see the files on the card and play them with its own player?