Pakistani: Oh, then that explains it.
Many Pakis (not all) are known for having a short fuse and a long memory.
It is significant that he was said to have beaten that band mate with his slipper. In their culture, you hit someone with your shoe if you see that person as being low, crude and vulgar.
Yes I know.
We should give that bandmate a Louisville slugger and tell him to hit back the “American Way”.