This interview was, unknown to Scappaticci, recorded and eventually found its way into an edition of the programme.

Two interviews, and the second half of Kurzwellen, recorded April 1970 in the spherical auditorium of the German pavilion at Expo 70.

An unaired interview with Dave and Taylor recorded on the same day was included as an exclusive bonus feature on the DVD.

The interviews the leading candidates for the crime, relying on interviews an assistant has recorded with potential witnesses and suspects.

An interview recorded with Kayyar Kinhanna Rai by Sampada on January 13, 2010.

Sopka recorded her interviews, which became part of physics' oral history.

The programme includes interviews with contemporary musicians and people in the music industry, live sessions, recorded concerts and requests of commercial and non-commercial music alike.

The DVD included an interview with Pete Townshend conducted by Barry Barnes recorded specifically for this release in September 2005.

It contains 22 tracks and 4 interviews recorded live at the BBC studios in London.

Audio interview with Reid Anderson, recorded January 2007.