Music Software
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Blurb (Description)
Acid XPress It's easy to create original music-even if you're new to loop-based music software. Download and install ACID XPress. Then, get loops from from to create your own music.This program uses pre-recorded 'loops' to build a song/arrangement. Particularly good for dance/hip-hop styles.
Audacity can record live audio through a microphone or mixer. With some sound cards, it can also capture streaming audio. Recording Features:

Record from microphone, line input, or other sources. Dub over existing tracks to create multi-track recordings. Record up to 16 channels at once (requires multi-channel hardware). Level meters can monitor volume levels before, during, and after recording.

Free VST Plugins - Lots of VST MIDI instruments and VST Processing effects. Effects range from traditional compressors/limiters through to bizarre emulations of vintage Vocoders.
Delay Lama - Delay Lama is the first VST-instrument to offer both vocal synthesis and a real-time animated 3D interface. Its advanced monophonic vocal synthesis engine enables your computer to sound just like an Eastern monk, with real-time, high resolution control over the vowel sound. What's more, the plug-in window displays a 3D animation of a singing monk, that reacts directly to your input!