My initial uploads were mainly just stuff I had sat on a shelf doing nothing…then after a few sales and finding that I enjoyed the marketplace and found it interesting to talk to others on the forums etc…I decided to write some music specifically for AJ and get a bit more involved to see what happened.
I looked at the categories and noticed that the Children’s category was fairly poorly represented so I figured that would be a good place to start. I then set a target of getting 50 items on there. So…did that and had fun doing it. I also, to stop getting bored occasionally, had a dabble at other genres.
I’ve been surprised at what has sold and what hasn’t to the point that I no longer worry much about it. My top sellers are not what I expected at all.
I think if you want big sales numbers in shorter time then you do need to follow trends and take ‘inspiration’ from other top selling items. The trouble with that for me is that I get bored and I just don’t like being a copycat. Sometimes my tracks do turn out with similarities but I never strive to contrive 
I went for a niche and got slow steady sales but had fun doing it.