2-channel recording: stridulatory movement and song, laboratory, 26.5 ºC, mainly ultrasound (tape recorder Racal with B&K 1/2" or 1/4", in light)

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith