Single credits for "Boston-Portland Line":

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Written by David Young & The Interstate Kings

David Young: guitars, harmonica, vocals

Deven Young: drums, vocals

Seth Martin: bass, vocals

Marcus Pongratz: Conductor, train whistle

Produced by The Interstate Kings and Kevin Grenier

Recorded, mixed, and mastered by Kevin Grenier at Hidden Creek Music, Nashville, TN

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Recorded on December 9, 2022

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