MUSIC, Mesa Underwriters Specialty Insurance Company, is more than an excess and surplus insurance carrier. MUSIC customers know that our stellar service, underwriting talent, and advanced technology set us apart. Our reputation has also been earned through valued relationships we've developed with our agency partners, who trust that MUSIC fills a need they have for unique markets. Our team of insurance specialists, located in Arizona and Pennsylvania has extensive knowledge writing small and medium-sized commercial businesses, along with brokerage and program accounts.