You can get a very good idea of the way a funky bass line like the one to Beyonce's 'Naughty Girl' goes, by simply
alternating two notes - here a C# and a B, changing between them every half-bar:
Sheet Music to Buy by Beyonce
Halo By Beyonce. Piano Vocal. 8 pages. Published by Hal Leonard
At Last "By Beyonce, Etta James, and Cadillac Records (Movie). For piano, voice, and guitar (chords only). Film/TV; Love; Pop; R & B; Wedding. 4 pages. Published by Hal Leonard - Digital Sheet Music"
At Last "By Beyonce. By Harry Warren, lyric by Mack Gordon. For piano, voice, and guitar (chords only). This edition: Piano/Vocal/Chords. Artist/Personality; Piano/Vocal/Chords; Sheet; Solo. Original Sheet Music Edition. Movie; Pop; Standard. Sheet. 6 pages. Publ
At Last (from Cadillac Records) By Beyonce. By Harry Warren. Arranged by Dan Coates. For Piano. Artist/Personality; Piano Solo - Popular Sheet; Solo. Movie; Standard. Easy Piano. Sheet. 4 pages. Published by Alfred Music Publishing
Telephone "((featured in Glee)). By Glee Cast, Beyonce Knowles, and Lady Gaga. Edited by Mac Huff. Arranged by Adam Anders and Tim Davis. SSA. Pop Choral Series. 16 pages. Published by Hal Leonard"
One Night Only "By Beyonce Knowles and Dreamgirls (Movie). For piano, voice, and guitar (chords only). Film/TV; Musical/Show; Pop. Piano/Vocal/Guitar. 5 pages. Published by Hal Leonard - Digital Sheet Music"
Listen (from Dreamgirls) "By Beyonce. By Anne Preven, Scott Cutler, Henry Krieger, and Beyonce Knowles. For piano, voice, and guitar (chords only). Pop; R & B. 7 pages. Published by Hal Leonard - Digital Sheet Music"
The Closer I Get To You "By Beyonce, Tom Jones, and Roberta Flack. For piano, voice, and guitar (chords only). Love; Pop; R & B; Rock; Wedding. 5 pages. Published by Hal Leonard - Digital Sheet Music"