Music has a special place in worship. All music is not worship, some music is classified as worship.
Musical performances are used to create joyful atmospheres, for better understanding, and better dialogue, the performers that come from musical instruments, take away so much toxicity that you see gladness drop as a cloud
In the situation of Saul, they were looking for someone to confront the situation faced Saul. David confronted the situation with anointed music. The Bible records, that King Saul faced moments of distress and inner turmoil, possessed by an evil spirit and David, who was a skilled musician and chosen by God, played the harp to bring comfort and relief to Saul. The anointed music played by David brought deliverance to Saul's soul.