The Partridge Family was a well-known enough rock group to obtain a booking at King's Island amusement park across the country from the California home, but not wealthy enough to travel in a chauffeured coach or even by air to most of their other gigs. Either they are a minor local group or they are nationally known; the two cannot both hold true.
a "Mount Rushmore" is a top 4 greatest or most impactful of something, but in this case, make it oddly specific.
rules: pick 4 for your mount rushmore, downvote the rest that are outside your rushmore