An electronic instrument including a keyboard having multiple keys. The electronic instrument includes: a normal musical sound generation device, configured to generate a normal musical sound in a case where a position of the key reaches a sound generation start position after the key is pressed; and a key release processing device, configured to perform a key release AT process, which is a predetermined musical sound control process at a time of key release of the key, in a case where the position of the key reaches an AT detection position as a position deeper than the sound generation start position through further pressing the key after the position of the key reaches the sound generation start position.