you can improve it by having more than just one

its the same melody over and over, you kept it interesting by adding new instruments, but in order for it to be "good music" you gotta have, id say, at least two distinct ideas in it, each with chords and harmony and such, and go back and forth between the two, like an ABA format (one being A and one being B), and in a loop, try to keep the percussion about the same throughout to make it flow

Pretty good.

For first time on a music maker, that wasn't half bad. But here's a tip: When doing loops, don't make the music gradually warm up as you get through the song. It just makes the loop sound... weird.

A fellow FL Studio user eh?

Its ok for a first time loop did you just start using the program? It takes some time to get realy good but I can say this if you never stop and real strtive to make music you can do it I was at this level of skill 4 years ago man thoughs were the days xD. But ya keep at it and you will get good ^ ^