Mouse Maker Does Anyone Know Of A Downloadable Music Maker Like A DJ Uses That Works With A Keyboard And Mouse?

Does anyone know of a downloadable music maker like a DJ uses that works with a keyboard and mouse? - mouse maker

I have a platform for DJ or whatever just something that I use with keyboard and mouse to perhaps a few would technoish anykind or songs, I appreciate it if you put a link to the - side with the download, I have such a high speed, the size does not matter. Thank you.