These are the audio files for Gold. Download the file for your part, plus the file that is just called Gold, which has all parts.
An MP3 player should recognise the files as being part of an album called MCC July 14 with artist Medina Community Choir.
In terms of instruments used, the soloist and sopran0 1 are violin, soprano 2 and altos church organ, tenor trombone and basses bassoon; the piano part is a piano. The sound is also panned in the stereo field, so solo/soprano1 and tenors are fully on the left side; soprano2/altos and basses fully on the right side.