Snoring is the act of breathing through the open mouth in such a way as to cause a vibration of the uvula and soft palate[?], thus giving rise to a sound which may vary from a soft noise to a loud unpleasant sound.
Snoring is usually an involuntary act during sleep, but may also be produced voluntarily.
... and Phil played bass guitar. Bob (usually referred to as "Bobby"), the youngest member of the group, played rhythm guitar. Pigpen played keyboards, harmonica and, was ...