Eventually both Muehleisen and Croce became some of the early artists to use Ovation guitars, known for the unique synthetic "Lyrachord Bowl" design on the back of the guitar, instruments often seen on their later television appearances. Muehleisen also added some electric guitar on I Got a Name.
Over time, Muehleisen and Croce became prominent users of Ovation guitars, which featured a unique "Lyrachord Bowl" design on their backs. This distinctive feature was often seen on their later television performances.  Muehleisen also incorporated electric guitar into his song "I Got a Name."