- Banjo virtuoso from Detroit, Michigan.
- Pronounced Sigh-por-in.
- A writer: his “Bluegrass Songbook” was published by MacMillan, the first of its kind for a major publisher (1992).
- In the 60’s and 70’s, performed with Detroit-area bands Roy McGinnis and the Sunnysiders, the Acme Bluegrass Co., and Psychodrama.
- 1989, formed the Dennis Cyporyn band, performing primarily new acoustic music—jazz, swing, bluegrass fusion.
- 1997, formed “Lonesome and Blue” with mandolinist Pooh Stevenson.