Artists like Barbra Streisand

The Carpenters were an American vocal and instrumental duo consisting of siblings Karen (1950–1983) and Richard Carpenter. They produced a distinctive soft musical style, combining Karen's contralto vocals with Richard's harmonizing, arranging, and composition. During their 14-year career, the Carpenters recorded 10 albums along with many singles and several television specials.

Captain & Tennille were an American recording duo most popular in the 1970s. The husband-and-wife team were "Captain" Daryl Dragon (1942–2019) and Toni Tennille. They have five albums certified gold or platinum and scored numerous hits on the US singles charts, the most enduring of which included "Love Will Keep Us Together", "Do That to Me One More Time", and "Muskrat Love". They hosted their own television variety series on ABC in 1976–77.

Christina María Aguilera is an American singer, songwriter, actress, and television personality. An influential figure in music, Aguilera is noted for her four-octave vocal range, melismatic singing style, use of the whistle register, and continual reinvention of her image and sound. Referred to as the "Voice of a Generation", she was ranked among the greatest singers of all time by Rolling Stone. Her works have incorporated socially conscious and sexual themes, generating both controversy and critical acclaim.