HappyEO Pro is a software program to let you play piano or an electric organ from your computer. This is a fun and easy program that will allow beginners to learn music theory and recognize scores.

Experts will be able to play and record songs they make. HappyEO Pro works on Windows 98, ME, 2000 and XP. Some of the features included are 61 keys, 128 voices, reverb, chorus, modulation (vibration), dual voice and tremolo and more.

HappyEO Pro supports split keyboard, octave shift and transpose, 15 types of cords, auto-accompaniment, fill in and synch start. This program can record your songs to MIDI and play them back to you.

You can use an external MIDI keyboard which can also be used as a virtual piano in Cakewalk. It has a drum mode and you can customize the key’s definition.