Roots of Chicago

Richard Noel Marx is an American singer-songwriter. He has sold over 30 million albums worldwide.

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.

Climax Blues Band are a British blues rock and pop band that has released 22 albums. "Couldn't Get It Right" reached No. 10 on the UK Singles Chart and No. 3 on the Billboard Hot 100 in 1977. "I Love You" peaked on the Billboard chart at No. 12 in 1981.

Santana is an American rock band formed in San Francisco, California in 1966 by Mexican-American guitarist Carlos Santana. The band has had various recording and performing line-ups in its history, with Santana being the only consistent member. After signing with Columbia Records, the band's appearance at the Woodstock Festival in 1969 increased their profile and they went on to record the critically acclaimed and commercially successful albums Santana (1969), Abraxas (1970) and Santana III (1971). These were recorded by the group's "classic" line-up, comprising organist and lead vocalist Gregg Rolie, percussionists José "Chepito" Areas and Michael Carabello, drummer Michael Shrieve and bassist David Brown. Hit songs of this period include "Evil Ways" (1970), "Black Magic Woman" (1970), "Oye Como Va" (1971) and the instrumental "Samba Pa Ti" (1970).

Donny Edward Hathaway was an American soul singer, keyboardist, songwriter, backing vocalist, and arranger who Rolling Stone described as a "soul legend". His most popular songs include "The Ghetto", "This Christmas", "Someday We'll All Be Free", and "Little Ghetto Boy". Hathaway is also renowned for his renditions of "A Song for You", "For All We Know", "Jealous Guy" and "I Love You More Than You'll Ever Know", along with "Where Is the Love" and "The Closer I Get to You", two of many collaborations with Roberta Flack. He has been inducted into the St. Louis Walk of Fame and won one Grammy Award from four nominations. Hathaway was also posthumously honored with a Grammy Lifetime Achievement Award in 2019. Dutch director David Kleijwegt made a documentary called Mister Soul – A Story About Donny Hathaway, which premiered at the International Film Festival Rotterdam on January 28, 2020.