It might not be the one, but there's a song WAKE NICODEMUS by Henry Clay Work (in the DT). Thr original sheet music is at the Levy Collection. Click here, and turn the pages.

Title: Wake Nicodemus. Song and Chorus.
Composer, Lyricist, Arranger: Words and Music by Henry Clay Work.
Publication: Chicago: Root & Cady, 67 Washington St., 1864.
Form of Composition: strophic with chorus
Instrumentation: piano and voice
First Line: Nicodemus, the slave, was of African birth, and was bought for a bagful of gold
First Line of Chorus: The "Good Time Coming" is almost here! It was a long, long, long on the way!

~Masato