A lot of computer software tools and utilities for music production are available; including drum, beat, chord, audio and accompaniment software.
These are invaluable resources for musicians and music arrangers.
Go ahead in this list of music software programs for general or specialized music production.		 Yamaha Keyboard Resource Site - Music Software 1 Music Software 1 

Yamaha Keyboard Resource Site - Yamaha Keyboard Related Software Yamaha Keyboard related Software
Utility Software
• GN Midi
• MIDI-OX Page
• MidiTest
• MusicLab Free Music Software
• Fast & Soft MIDI Utilities
• GoMinimal
• Bome's Midi Translator
• MidiFile VocoderAnalyzer (zip file)
• SynthFont home page
• Windows Vista MIDI-Mapper
• Vista Midi Picker 1.00
• MIDI File Disassembler/Assembler
• MIDI LoopBe Software
• Wingroove install
• Amazing MIDI
• Digital Music Notebook
• Hi-Play 		  • Midifile Optimizer 6 Pro
• VMM - Virtual Midi Machine

Accompaniment Software
• Accompaniment software
• Musical MIDI Accompaniment
• RMCA & MAAS - Accompaniment
• Jammer
• NTONYX Arranger Software
• Onyx
• Bob's Software
• Virtual Band Plug-In
• Virtual Music 1.0
• MyJazzBand 2 Lite - OCaml
• JAM

Automatic Music Generators
• MusiGenesis

  Drum/Beat Software
• Gradywerks MPG64-R Drum Machine
• Monkey Machine - online drum machine
• Yamaha - One Finger Chords (exe file)
• Doctor Rhyme
• Salsa Beat Machine
• Hammerhead Rhythm Station
• Drum Station
• Hydrogen

Band In A Box Software
• PG Music Software
• Norton Music
• Jazz Scale Software
• Band-in-a-Box Discussion
• Gem Hughs
• Alisdair MacRae Birch
• MMISSARY BiaB Files

  Audio Software
• Pro Tools
• FruityLoops
• Buzz - The Sonic Spot
• Hammersound
• Sample Tank
• Sound Forge 9 / Audio Studio
• Celemony - Direct Note Access
• Switch Plus Audio Converter Software
• Reason
• Reaper

Chord Software
• Akkorde - Chords for beginners (exe file)
• Chord Pulse
• Chord Pulse Lite
• JamBuddy Chord Player