1. John Legend played piano on Lauryn Hill's "Everything Is Everything" as a teenager and he provided background vocals for Alicia Keys' "You Don't Know My Name."
2. TLC was the first girl group to nab a diamond album, with CrazySexyCool selling more than 10 million units. This solidified them as one of the best-selling girl groups of all time.
3. Aretha Franklin's "Respect" is actually a cover, though the Queen of Soul definitely popularized the iconic song.
4. Outkast replaced themselves at number one on the Billboard Hot 100 when their single "Hey Ya!" usurped "The Way You Move" in 2004.
5. Ashanti holds the Guinness World Record for the highest first-week sales for a debut female artist, thanks to her self-titled album, Ashanti, with 503,000 copies sold in its first week.
6. Loretta Devine was in the original Broadway production of Dreamgirls in the role of Lorrell Robinson. She also played thejazz singer in the 2006 film.
7. Mariah Carey and Boyz II Men have held the record since 1995 for the song — "One Sweet Day" — with the most weeks at number one on the Billboard Hot 100.
The song spent 16 weeks atop the Hot 100.
8. The "romantic woes" of Kandi Burris led to her writing the Grammy-winning TLC song "No Scrubs" along with her former Xscape group member Tameka "Tiny" Harris.
9. Janet Jackson's "You Want This" features a sample of The Supremes' "Love Child."
10. Whitney Houston's "I Will Always Love You" was originally written and recorded by Dolly Parton, though Houston's version is usually assumed to be the one true rendition.
11. Keri Hilson wrote "Break the Ice," one of the songs from Britney Spears' comeback album, Blackout.
12. Whitney Houston had a seven consecutive singles hit number one on the Billboard Hot 100 from 1985 to 1988, a feat that still stands today.
13. Lauryn Hill is the first woman to win five Grammys in one night.
14. Sevyn Streeter wrote Ariana Grande's hit song "The Way."
15. LaWanda Page, who played the role of Aunt Esther on Sanford and Son, is the speaking voice heard at the beginning of Rupaul's classic hit "Supermodel (You Better Work)."
16. Blue Ivy Carter became the youngest person to chart on Billboard in 2012 when her father, Jay Z, released "Glory" not too long after she was born.
18. Diana Ross is a twelve time Grammy nominee, though she never won one. She does, however, have a Lifetime Achievement Grammy.
19. Rihanna is the artist with the third most number-one hits on the Billboard Hot 100.
20. Michael Jackson was the first artist to have a single debut at number one on the Hot 100 with "You Are Not Alone."
21. Gladys Knight persuaded Berry Gordy, the founder of Motown, to sign The Jackson Five.
22. Beyoncé's groundbreaking album, Lemonade, is the first and only album to have 12 singles on the Hot 100 simultaneously.
23. Tupac completed his 12-track album, The Don Killuminati: The 7 Day Theory, which included, writing, recording, and mixing in seven days.
24. Merry Clayton's stunning vocals on the Rolling Stones song "Gimme Shelter" were recorded during a late-night session and were a last-minute decision.
25. Nick Ashford and Valerie Simpson were the writing duo behind some of Motown's biggest hits such as "You're All I Need To Get By" and "Ain't No Mountain High Enough."
26. Though Lil Kim was well established in the music industry prior to the ensemble single "Lady Marmalade," the collaboration helped the rapper notch her first and only number-one on the Hot 100.
27. Jidenna, the man behind the hit "Classic Man," appeared on Season 1 of Issa Rae's HBO show Insecure, but the two have a long history as friends.
The two have been friends since they were students at Stanford University.