Download Autotheory 4.0 from our website for free. The program relates to Multimedia Tools. The actual developer of the program is Mozaic Beats.
From the developer:
AutoTheory is an external midi sequencer.
You may want to check out more software, such as Waves 360 Surround Tools Bundle, VertexDSP vxPlug or Virtins Sound Card MultiInstrument, which might be similar to Autotheory.