premise: "Thank You" is the third single by heavy metal band Hellyeah from their debut album "Hellyeah". The song is a tribute to all of the band's recently departed family members: Vinnie Paul's brother Dimebag Darrell, Tom Maxwell's mother, and Chad Gray's grandmother. The song reached #37 on the "Billboard" Hot Mainstream Rock Tracks chart.
hypothesis: Chad Gray's grandmother was influential to him.
reason: If the song was a tribute to someone, obviously they were influential.