Second, t61 changed the song upload rules a few weeks ago. You can upload one new song a day regardless of your level.
I think the best way to increase your listener and heart count is to be as engaged as possible.
- Create a listener account.
- Join a group. The Electro Freaks would appreciate what you are offering http://www.thesixtyone.com/group/Electro+Freaks/
- Add constructive comments on lots of songs.