Even if the song is sung acapella, the chords fit in quite nicely. You can also try singing the actual bass notes onto the song. (same chords for every verse) C5 G5 G5 C5 If you miss me at the back of the bus, and you can't find me nowhere F5 C5 G5 C5 Come on over to the front of the bus, I'll be ridin' right there C5 G5 I'll be ridin' right there G5 C5 I'll be ridin' right there F5 C5 You got to come on over to the front of the bus G5 C5 I'll be ridin' right there C5 G5 G5 C5 If you miss me at the cotton fields, and you can't find me nowhere F5 C5 G5 C5 Come on down, to the jailhouse, I'll be roomin' right there C5 G5 I'll be roomin' right there G5 C5 I'll be roomin' right there F5 C5 Come on down to the jailhouse G5 C5 I'll be roomin' right there C5 G5 G5 C5 If you miss me in the Mississippi River, and you can't find me nowhere F5 C5 G5 C5 Come on over to the city' pool, I'll be bathin' right there C5 G5 I'll be bathin' right there G5 C5 I'll be bathin' right there F5 C5 Come on over to the city' pool G5 C5 I'll be bathin' right there C5 G5 G5 C5 If you miss me at the picket lines, and you can't find me nowhere F5 C5 G5 C5 Come on down to the court house, I'll be votin' right there C5 G5 I'll be votin' right there G5 C5 I'll be votin' right there F5 C5 Come on down to the courthouse G5 C5 I'll be votin' right there [Verse 1 again]