Doubt (Arranged for Cello and Piano by Nina Kogan) Lyrics
| Song | Doubt (Arranged for Cello and Piano by Nina Kogan) |
| Artist | Park Kyung-suk |
| Artist | Nina Kogan |
| Album | Russian Romance |
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| Song | Doubt (Arranged for Cello and Piano by Nina Kogan) |
| Artist | Park Kyung-suk |
| Artist | Nina Kogan |
| Album | Russian Romance |