High ALT levels in fatty liver or elevated ALT levels in fatty liver (also called Alanine Transaminase and SGPT) in a fatty liver blood test can be a sign of a the severity of fatty liver disease from mild to serious.
Lisa's Saxophone is a Baritone saxophone which is owned by Lisa Simpson. She has had three saxophones. Lisa wants to be a famous jazz musician when she grows up. Unfortunately, she inherited stubby fingers from Homer that are not good for playing the sax.
In the scene where Peter is playing at the piano competition, Lois pushes him towards the lower end of the piano, but the pitch of the notes rises - it should actually do the opposite as the keys at that end would play lower notes.