While I would recommend top strings and woodwind techs in Alexandria VA area, I'll defer to trumpeters in USMC, USAF, USN, GG & National Symphony for referrals. Too, some Fairfax County Schools posted online their tech referrals. Too, perhaps Tony Scodwell / Scodwell Trumpets is in the area phone book and would refer you. I just don't believe you'd get the service you desire from the Music & Arts shop.