music and audio software

Accordion turns your keyboard into an accordion.

Audacity can record /edit sound tracks,create remixes and add effects etc
http://audacity.sourceforge.net/
 Search Amazon.com for audacity audio software

Search Amazon.com for audacity audio editor
darkwave studio can help  you create sound effects and patterns to create your own tracks.
www.experimentalscene.com/darkware
let's mix can help you mix multiple tracks,audio clips an loops together and then put it on online
http://www.letsmix.com/

Search Amazon.com for audio software for mac

Search Amazon.com for music software

dvdvideosoft.com

products include
free studio 4.5
includes cd/dvd/bd,
Dvd and video can convert vidseos into other formats
internet includes tools for uploading/downloading youtubes videos,converting them into other formats
mp3 and audio converts tracks into other formats