Many baroque instrumental pieces include a part for an accompaniment part typically played by two instruments.

Many baroque instrumental pieces include a part for Basso Continuo.

Basso continuo is a Baroque figured-bass (a numbering system that shows harmony) part. This part is typically played by two instruments that includes keyboard instruments and a low string instrument. In baroque music, the master of counterpoint is Bach.

Generally spontaneous human combustion is something that still bewilders some, human combustion happens very rarely and doesn't affect the surrounding areas, so unless you want to set your self on fire, human combustion will remain spontaneous and very rare.

All elements are subordinate to the total effect and do not overshadow it