Besides the four formal members of the group , only one recording vocal artist ever appeared on a Highwaymen recording : Johnny Rodriguez , who provided a Spanish vocal on ` Deportee ' , a Woody Guthrie cover , from `` Highwayman '' .
Only one other recording artist ever appeared on a Highwaymen recording : Johnny Rodriguez . He provided a Spanish vocal on ` Deportee ' , a Woody Guthrie song , from `` Highwayman '' .