Bob Sinkovic is listed in the credits for the following albums:
| Year | Artist | Album | Role |
|---|---|---|---|
| 1979 | Fireworks | Shatter the Darkness | Songwriter, Bass |
| 1979 | Amy Grant | My Father's Eyes | Bass |
| 1980 | John & Vickijo Witty | Family Portrait | Bass |
| 1980 | Fireworks | Live Fireworks | Bass |
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