Beat Maker - Acoustica Beat Craft

Acoustica is an easy to use drum machine software program for beginners.  You can use it as a beat maker for hip hop or rap.

Here is how Acoustica lists the key features of the beat maker:

    * Unlimited drum tracks! Powerful-yet-easy beat pattern interface!
    * Powerful pattern sequencer with live looping controls, tempo change flags, and unlimited sequencer tracks!
    * Advanced features including triplets, low-pass and high-pass resonant filters on every step, audio choke, reverse, rate change, and more!
    * Hundreds of professional-quality drum sounds and patterns built in, including rap, hip hop, rock, dance, jazz and electronica.
    * Easy drag-and-drop interface for manipulating sounds and patterns!
    * Use any WAV MP3 WMA or OGG file as a drum sound!
    * Unlimited track-level and global effects, including reverb, delay, flanger, distortion, and more!
    * Render patterns, sequences, and loops to WAV MP3 WMA and OGG format!

Anyway, worth checking out.  The only bummer is that you have to pay for this one.