Artists like The Cyrkle

The Association is an American sunshine pop band from Los Angeles, California. During the late 1960s, the band had numerous hits at or near the top of the Billboard charts and were the opening act at 1967's Monterey Pop Festival. Generally consisting of six to eight members, they are known for intricate vocal harmonies by the band's multiple singers.

Tommy James and the Shondells is an American rock band formed in Niles, Michigan, in 1964. The band has had two No. 1 singles in the U.S.: "Hanky Panky" (1966), the band's only RIAA Certified Gold record, and "Crimson and Clover" (1968). The band also charted twelve other top 40 hits, including five in the Hot 100's Top 10: "I Think We're Alone Now" (1967), "Mirage" (1967), "Mony Mony" (1968), "Sweet Cherry Wine" (1969), and "Crystal Blue Persuasion" (1969).

The Rascals are an American rock and blue-eyed soul band formed in Garfield, New Jersey, southeast of Paterson in 1965. The original lineup featured lead vocalist and keyboardist Felix Cavaliere, vocalist and percussionist Eddie Brigati, drummer Dino Danelli, and guitarist and vocalist Gene Cornish. Cavaliere and Brigati wrote the majority of the Rascals' original material.

Lugee Alfredo Giovanni Sacco, known professionally by his stage name Lou Christie, was an American pop and soft rock singer-songwriter widely known for hits in the 1960s, including his 1966 U.S. chart-topper "Lightnin' Strikes" and 1969 UK number two hit "I'm Gonna Make You Mine".

Paul Revere & the Raiders were an American rock band formed in Boise, Idaho, in 1958. They saw considerable U.S. mainstream success in the second half of the 1960s and early 1970s. The band was known for including Revolutionary War-style clothes in their attire.

The Mamas & the Papas were an American-Canadian folk rock vocal group that recorded and performed from 1965 to 1968, with a brief reunion in 1971. The group was a defining force in the music scene of the counterculture of the 1960s. Formed in New York City, the group consisted of Americans John Phillips, Cass Elliot, and Michelle Phillips, and Canadian Denny Doherty. Its sound was based on vocal harmonies arranged by John Phillips – the songwriter and leader of the group – who adapted folk to the new beat style of the early 1960s.

Raymond Edward O'Sullivan, known professionally as Gilbert O'Sullivan, is an Irish singer-songwriter who achieved his most significant success during the early 1970s with hits including "Alone Again (Naturally)", "Clair" and "Get Down". His songs are often marked by his distinctive percussive piano playing style and observational lyrics using word play.

The Grass Roots are an American rock band that charted frequently between 1965 and 1975. The band was originally the creation of Lou Adler and songwriting duo P. F. Sloan and Steve Barri. In their career, they achieved two gold albums and two gold singles, and charted singles on the Billboard Hot 100 a total of 21 times. Among their charting singles, they achieved Top 10 three times, Top 20 six times and Top 40 14 times. They have sold over 20 million records worldwide.

Manfred Mann was an English-based rock band formed in London in 1962. They were named after their keyboardist Manfred Mann. The group had two lead vocalists: Paul Jones from 1962 to 1966 and Mike d'Abo from 1966 to 1969. Other members of various group line-ups were Mike Hugg, Mike Vickers, Dave Richmond, Tom McGuinness, Jack Bruce, Lyn Dobson, Henry Lowther and Klaus Voormann.

The Box Tops are an American rock band formed in Memphis, Tennessee in 1967. They are best known for the hits "The Letter", "Cry Like a Baby", and "Soul Deep" and are considered a major blue-eyed soul group of the period. They performed a mixture of current soul music songs by artists such as James & Bobby Purify and Clifford Curry; pop tunes like "A Whiter Shade of Pale" by Procol Harum; and songs written by their producers, Dan Penn, Spooner Oldham, and Chips Moman. Vocalist Alex Chilton later fronted the power pop band Big Star and performed as a solo artist.