Osei has also played with Mantas, The Faders, Paloma Faith, Bryan Ferry, Kelly Jones, and Mika.

[4][5] In 2018, Osei won first place in the ‘Live Session Drummer’ category for Rhythm magazine's Music Radar polls.

[7] She cites John Bonham, Sheila E., Steve Gadd, Levon Helm, Tony Williams, and James Gadson as influences.

[8] When Osei was 15, she worked at a local music store in Wembley, which she credits with giving her exposure to drummers she "looked up to.

[8][16][17] She was featured with these artists on Late Night with David Letterman and The Tonight Show with Jay Leno.