Propellerhead Reason is a music software production package including audio recording containing all the sounds and FX you would ever need for a full blown high quality mix. Reason users can wire up different devices, similar to wiring up a virtual studio.
Reason can be connected to other DAW systems and you can access thousands of sounds for your tracks.
Visit Propellerheads website for a full list of features.
Reason is packed with Synths, drum machines, FX, Sequencers. Loop Player and an advanced acoustic piano.