Conversation so far:
what is Psychedila and krautrock?
psychedelic rock-styled.
did they put out albums with this sound?
Froese experimented with musical ideas, playing smaller gigs with a variety of musicians.
were they well-received?
one grouping also had the distinction of being invited to play for the surrealist painter Salvador Dali.
Did they win awards for their music?
using the technology of the time rather than the synthesized music they later became famous for.
How many were in the band making this music?
As members of the group came and went, the direction of the music continued to be inspired by the Surrealists.
Are there any other interesting information pieces about the Psychedelia and krautrock?
The first Tangerine Dream album, Electronic Meditation, was a tape-collage Krautrock piece.
what's a tape-collage Kratrock piece mean?
He built custom-made instruments and, wherever he went, collected sounds with tape recorders for use in constructing musical works later.

Question: who played those instruments?
Self-contained rewrite: Who played the custom-made instruments?