Some of the stores I physically visited and recommend their websites.

• Family Christian Stores (one of my favorite places to shop)
• Evangel (of the stores of the same name)
• Parable Christian Stores
• Christian Suppy
• IChristian.com
• MusicForce.com (buy Christian music here)
• MusicianFriends.com (instruments and accessories)
• Sheet music from Sunhawk.com, plus the Solero music viewer