Indonesia, North Sumatra, Pematang Siantar - Prapat, Hutan Penelitian; field recording; date recorded: 3/9/1993; temperature: 25°C; recorder: SonyWM-D3; microphone: 25 kHz (QMC mini bat detector); tape: Sony UX-Pro90; tape no.: SO2/93:274-290.

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