The Yayhoos formed as a "temporary band" in 1993 and consisted of "an all-star lineout of country punk veterans," including Eric "Rosco" Ambel on guitar/vocals, Dan Baird on guitar/vocals, Keith Christopher on bass, and Terry Anderson on drums/vocals. With three solo artists from singer-songwriter backgrounds—Anderson, Ambel, and Baird—the band features three lead vocalists as well as three songwriters.
Extract all of the dates mentioned in this paragraph and list them using bullets in the format {Date} - {Description}
• 1993 - The Yayhoos were formed during this year.