Music Publisher's Association. they are the pricks who are shutting down all these guitar, bass, and drum tab sites because apparently, "reading tabs online is like stealing sheet music from a store". they are doing almost the same thing as the riaa. they have already shut down the MXtabs site, tab world, and a lot of similar sites.
"Man, I feel less inspired on my drums because those fags at the MPA shut down all the good tab sites. Now my life is so empty."