Ace of Cups is an American rock band formed in San Francisco in 1967 during the Summer of Love era. It has been described as one of the first all-female rock bands.
… Ace of Cups made their debut in the early spring of 1967. In late June, Jimi Hendrix invited the band to open for him at a free concert in Golden Gate Park. In London that December, Hendrix told Melody Maker:
“I heard some groovy sounds last time in the States, like this girl group, Ace of Cups, who write their own songs and the lead guitarist is hell, really great.”
In San Francisco, Ace of Cups—whose new manager, Ron Polte, also managed Quicksilver Messenger Service—were playing regularly, headlining at smaller clubs such as The Matrix and performing as the opening act at larger venues such as the Avalon Ballroom and the Fillmore. In mid-1968, the band appeared on a local television program, West Pole, along with San Francisco legends Jefferson Airplane and the Grateful Dead. In 1969, they opened for The Band’s first concert as The Band along with The Sons of Champlin.
Several record companies were interested in signing Ace of Cups, but Hollingworth and Polte felt the band was worth more than the record companies were offering. Also, some of the band members were concerned that a record contract might require the band to tour, and they were worried that family pressures would interfere. Consequently, Ace of Cups never made any professional recordings of their own…
Groovy, baby. Sometimes youth isn’t wasted on the wrong people.
A little more background on these ladies here: