Artists like Richard Harris

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.

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.

The Four Seasons were an American rock band formed in 1960 in Newark, New Jersey. Since 1970, they have also been known at times as Frankie Valli and the Four Seasons. They are one of the best-selling musical groups of all time, having sold an estimated 100 million records worldwide.

The Walker Brothers were an American pop group formed in Los Angeles in 1964 by John Walker and Scott Walker, with Gary Walker joining shortly after. They adopted the name "Walker Brothers" as a show business touch, though they were unrelated. After moving to Britain in 1965, they achieved their breakthrough Top 20 single there with "Love Her", and went on have several UK Top 10 albums and Top 40 singles, including the No. 1 hits "Make It Easy on Yourself" and "The Sun Ain't Gonna Shine (Anymore)", both of which also made the US Top 20 and Canadian Top 2. Between them was the UK No. 3 hit "My Ship is Coming In". They provided a unique counterpoint to the British Invasion by achieving far more success in the UK than in their home country.

Francesco Stephen Castelluccio, better known by his stage name Frankie Valli, is an American singer and occasional actor, best known as the lead vocalist of the Four Seasons. He is known for his unusually powerful countertenor voice.

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).

Billy Joe Thomas was an American singer widely known for his country, contemporary Christian, and pop hits of the 1960s, 1970s, and 1980s.

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.

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.

Gerard Hugh Sayer, known by his stage name Leo Sayer, is an English singer and songwriter who has been active since the early 1970s. He is best known for his 1978 Grammy Award-winning song "You Make Me Feel Like Dancing". He has been an Australian citizen since 2009, and lives in New South Wales.

The Archies are an American fictional rock band featured in media produced by, and related to, Archie Comics. They are best remembered for their appearance in the animated TV series The Archie Show. In the context of the series, the band was founded by guitarist/vocalist Archie Andrews, drummer Jughead Jones, bassist Reggie Mantle, percussionist/vocalist Betty Cooper and keyboardist/vocalist Veronica Lodge.

Stanley Robert Vinton is a retired American singer and actor, who hosted his own self-titled TV show in the late 1970s. As a teen idol, he became known as "The Polish Prince", as his music paid tribute to his Polish heritage. One of his most popular songs is "Blue Velvet" which reached No. 1 on the Billboard Hot 100 in 1963, No. 1 in Canada, and number 2 in the UK in 1990.