Well, ALT is an enzyme that helps metabolize protein. When the liver is damaged, ALT is released in the bloodstream, increasing ALT levels, and indicating a host of potential liver problems.
Stephen Bruner (born October 19, 1984), better known by his stage name Thundercat, is an American multi-genre bass player, producer and singer from Los Angeles, California. He has released three solo albums, and is most noted for his work with producer Flying Lotus, and crossover thrash band Suicidal Tendencies. Thundercat appeared on Kendrick Lamar's critically acclaimed 2015 album To Pimp a Butterfly.
The obsession centers around the thunder drum. A thunder drum is a gourd with the bottom cut off so a drum head and spring can be attached. When the spring is wiggled, it vibrates the drum head, which in turn creates sound waves inside the gourd. The gourd amplifies the waves and releases it through other holes in the gourd and sounds like thunder.