[5] Later that year, she released a live album, which included a cover version of Anita Baker's song "Angel".

[8] In July 1991, a version of Sly Stone's "Family Affair" was released by a Heaven 17 side-project called the BEF (British Electric Foundation) which featured Hathaway's vocals.

[9] In 1992, Hathaway sang lead vocals on the single Love Like This released by Grover Washington Jr. from his Next Exit album.

[8] Hathaway has worked with musicians such as Mary J. Blige, Marcus Miller, Take 6, and The Winans, providing writing, producing, and background vocals.

[11] Hathaway was featured on Donald Lawrence's debut solo album I Speak Life as a lead vocalist on "Don't Forget to Remember".

In 2005, she was seen on the international Daughters of Soul tour with Sandra St. Victor, Nona Hendryx, Simone, and Joyce Kennedy.

[16] In November 2008, Hathaway joined Will Downing and Gerald Albright for the Soulful Christmas Tour in Washington, D.C., Memphis, Dallas, Houston, Indianapolis, Chicago, Detroit, Philadelphia, St. Louis, and Atlanta.

[19] During the recording process of her fifth studio album she stated: "I don't necessarily want to fit into what's happening now, but I want to stand with it, doing my own thing.

Like my father, I want to leave a legacy of music that makes people really feel something, whether it be happiness, sadness, grief or heartache.

[24] Between album projects, Hathaway, who has recorded collaborations with Marcus Miller, Meshell Ndegeocello, and Mary J. Blige, contributes her voice to Daughters of Soul Tour, a musical mélange founded by Sandra St. Victor and featuring Nona Hendryx, Joyce Kennedy, as well as Indira and Simone, daughters of Chaka Khan and Nina Simone.

[20] Although it might seem that "On Your Own" from Self Portrait, which reunites her with Rex Rideout and Rahsaan Patterson, is inspired by a past heartbreak, the idea for the song came to her in a dream.

Keeping with the theme of her family, she often journeys back to her childhood with "Little Girl", which she co-produced with Rex Rideout, Rahsaan Patterson, and Sandra St.