Answers revealed in the comments.
From 1975-1982, four TV theme songs that were written or co-written by Mike Post reached the top 25 of the Billboard Hot 100 chart. Name any one of those four TV series that used these themes, three of which are instrumental.
Which U.S. president shared his middle name with the New England city that includes his birthplace? At the time he was born, the location had a different name, but was later renamed for his great grandfather, after whom he is also named.