Complex sentence: He moved back to Nashville after graduation and opened Kayne's Clothing Boutique, where he created custom ballroom dance costumes, eveningwear, and wardrobe for the country music industry.
Split into simpler sentences: He moved back to Nashville after graduation and opened Kayne's Clothing Boutique. This afforded him the opportunity to create custom ballroom dance costumes, eveningwear, and wardrobe for the country music industry.