You could have downloaded iHam on iRye 2.0 for Mac from our software library for free. The program lies within Audio & Video Tools, more precisely General. The actual developer of this free software for Mac is Searchware Solutions.
From the developer:
iHam on iRye is a set of applications designed to allow you to control iTunes 2.0.3 or higher from another computer on a WAN or LAN network. iHam on iRye lets you control just about every function iTunes provides from any other Mac OS-based computer on your network. Great at parties, use it as a remote jukebox!