Wow. This is big news. XM Satellite Radio and DIRECTV have partnered together to deliver XM content to DirecTV’s 14.6 million customers starting on November 15th.

72 channels of XM’s programming will be available via DIRECTV, almost doubling the current audio programming lineup at no additional cost. In addition to music channels and children’s programming, XM will provide XM’s Major League Baseball “Home Plate” talk radio channel, and the High Voltage channel (AFRO!).

Customers subscribing to the DIRECTV TOTAL CHOICE programming package will have access to 50 XM Satellite Radio music channels and customers subscribing to the DIRECTV TOTAL CHOICE Plus programming package and above will have access to more than 65 channels. DIRECTV PARA TODOS customers will also have access to the same XM channels, as well as five additional Latin music channels.