Through Kenny Loggins, he knew Vicki Randle, a regular vocalist on The Tonight Show, who would frequently invite Schroeck to join the band as a backup vocalist.
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He was noticed by famed opera tenor Jon Vickers, who encouraged Schroeck to pursue his own career in opera.
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He was also a backup musician for many other artists such as Steve Perry, Marie Osmond, Tom Jones, and Jim Messina.
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He worked with Marie Osmond on her 2007 Magic of Christmas tour, and has also toured with Tom Jones, Jim Messina, and Christopher Cross, Tanya Tucker, Peter Cetera, Sheena Easton, Patti Austin, and Amy Grant.
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