Given the question: - instrument is double bass electric bass - years active is 1960s - present - landscape is no - genre is jazz - birth date is july 1938 - background is non_vocal_instrumentalist - label is iti records - associated acts is count oscar peterson basie heard ranier ferguson the john heard trio - occupation is jazz musician artist Given the details above, guess who could this information be about.
The answer is:
john heard -lrb- musician -rrb-