I discover Linux Multi Media Studio (LMMS) which is easy to use and seem complete (really good for beginner). I tried some samples in it and find one which remind me the mystic cave zone from sonic 2. So, I made what you hear here.
I also use samples from sampleswap.org, audacity (for cutting samples when they was not as I want), and that's all.
I hope you enjoy it. I am a beginner for making music, not for understanding it. So, I am not a so bad musicien. But if you have advices, comment to do, or something else interesting, I will read it carefully and take it into account for my next musics.