Answer
Randy Rhoads was introduced to Ozzy Osbourne by Dana Strum. Rhoads was a guitarist who had been playing in various bands in Los Angeles. He was known for his virtuosic guitar playing and his unique style. Strum thought that Rhoads would be a good fit for Osbourne's band, and he introduced the two men. Osbourne was impressed with Rhoads' playing, and he invited him to join the band.