XM Liquid Metal (or XMLM for short) was a channel on XM Satellite Radio channel 42. This XM Radio Channel is Uncensored and had an "xL" Marking,which Means it had Explicit Language. The channel played a variety of Hard Metal and Extreme Metal from yesterday and today. The channel has been with XM Radio since day one, and has gone through a few phases since. On November 12, 2008, as part of the Sirius XM Merger, XM Liquid Metal merged with Hard Attack to form Liquid Metal.