Who's album which reflects on his depressive state, had a song on the Billboard Hot 100 in 1976? 
Attitudes (band):  Its four members came together while working as session musicians during the recording of George Harrison's album "Extra Texture (Read All About It)". Attitudes (band):  One single by the band, "Sweet Summer Music" reached #94 on the "Billboard" Hot 100 in 1976.
i don't know