
1) American folk rock group 2) Impact crater on Mars 3) Keyboard instrument
Found on
https://www.crosswordclues.com/clue/chamberlin

The Chamberlin is an electro-mechanical keyboard instrument that was a precursor to the Mellotron. It was developed and patented by Iowa, Wisconsin inventor Harry Chamberlin from 1949 to 1956, when the first model was introduced. Various models and versions of these Chamberlin music instruments exist. While most are keyboard-based instruments, the...
Found on
http://en.wikipedia.org/wiki/Chamberlin
[lunar crater] The outer rim of this formation is somewhat irregular in shape, with outward bulges to the east and southeast. The southern rim has partly disintegrated, and merges with the northwest rim of Moulton. The interior floor of Chamberlin has been flooded by basaltic lava, producing a nearly flat surface with a lower albedo than th...
Found on
http://en.wikipedia.org/wiki/Chamberlin_(lunar_crater)
No exact match found.