Free Mac program: http://audacity.sourceforge.net/download/
Free Windows program: http://audacity.sourceforge.net/download/
Free Android Phone app: https://play.google.com/store/apps/details?id=com.spotify.mobile.android.ui
Free iPad app: http://itunes.apple.com/us/app/spotify/id324684580?mt=8&ign-mpt=uo%3D4&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/spotify/id324684580?mt=8&ign-mpt=uo%3D4&uo=4&at=10l6SU
Free Mac program: http://www.spotify.com/us/download/mac/
Free Windows program: http://www.spotify.com/us/download/windows/
Google Chrome app: https://chrome.google.com/webstore/detail/spotify-music-for-every-m/cnkjkdjlofllcpbemipjbcpfnglbgieh
Website: https://www.noteflight.com/
Paid iPad app: http://itunes.apple.com/us/app/garageband/id408709785?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/garageband/id408709785?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/garageband/id408709785?mt=8&uo=4&at=10l6SU
Paid Mac program: http://itunes.apple.com/us/app/garageband/id408980954?mt=12&uo=4&at=10l6SU
Website: https://soundcloud.com/
Google Chrome app: https://chrome.google.com/webstore/detail/soundcloud/ipebkipbeggmmkjjljenoblnfaenambp