The Limeliters are an American folk music group, formed in July 1959 by Lou Gottlieb, Alex Hassilev (banjo/baritone), and Glenn Yarbrough (guitar/tenor). The group was active from 1959 until 1965, and then after a hiatus of sixteen years, Yarbrough, Hassilev, and Gottlieb reunited and began performing again as The Limeliters in reunion tours. On a regular basis a continuation of The Limeliters group is still active and performing. Gottlieb died in 1996, Yarbrough died in 2016, and Hassilev died in 2024, the last founding member, who had remained active in the group, retired in 2006, leaving the group to carry on without any of the original members.

The Kingston Trio is an American folk and pop music group that helped launch the folk revival of the late 1950s to the late 1960s. The group started as a San Francisco Bay Area nightclub act with an original lineup of Dave Guard, Bob Shane, and Nick Reynolds. It rose to international popularity fueled by unprecedented sales of LP records and helped alter the direction of popular music in the U.S.