Heavenly instrument is a term used to describe two musical instruments, the HARP and the LYRE. The HARP is a stringed instrument with a triangular frame and a series of strings stretched across it. It is played by plucking the strings with the fingers or a plectrum. The LYRE is a stringed instrument that is similar to a small HARP. It is played by plucking the strings with the fingers or a plectrum. Both instruments are associated with heavenly music and have been used in religious ceremonies for centuries.