Liner notes indicate that tracks were taken from existing releases. Where possible, these recordings have been merged. Recordings on releases not present in MB at the time of this writing are listed below.
disc 1, track 5 taken from Keadilan: Qasidah Music From Java (Piranha Musik PIR26-0)
disc 1, track 8 taken from Adventures in Afropea 2: Voice of Silence: The Best of Djur Djura (Luaka Bop 9362-45211)
disc 1, track 9 taken from Samba Brasil (Polygram 314 515 761)
disc 1, track 11 taken from Rembetika: Historic Urban Folk Songs From Greece (Rounder Records 1079)
disc 1, track 13 taken from The Very Best of Fairuz (Voix de l'Orient 501) (exists, different AcoustID)
disc 1, track 14 taken from Marian Anderson (Pearl 9405)
disc 2, track 1 taken from Encontro Amália & Don Byas (EMI Portugal 90874) (indeterminate existence)
disc 2, track 2 taken from Cantaora (Riverboat 1004)
disc 2, track 3 taken from The Best (Fania Records 80587) (indeterminate existence)
disc 2, track 4 taken from Music From the Pirin Mountains (Pan Records 133) (indeterminate existence)
disc 2, track 5 taken from Voices From the Sun (Tempo/Auvidis 6206)
disc 2, track 7 taken from Forever and Always (Masters International Inc. 53018) (indeterminate existence)
disc 2, track 9 taken from The Voice of the Sparrow (Capitol 96632) (indeterminate existence)
disc 2, track 10 taken from A Girl in the Apple Field (Nippon Columbia 7585)
disc 2, track 11 taken from 15 Exitos de Lucha Reyes (BMG Mexico 77192)
disc 2, track 12 taken from Balance (Xenophile GLCD 4011)
disc 3, track 3 previously unreleased
disc 3, track 6 taken from Au cœur de Paris & M'Mah Sylla (Bolibana Collection 42076)
disc 3, track 7 taken from Robbie Robertson & the Red Road Ensemble (Capitol 8 28295)
disc 3, track 8 taken from Muzsikas: The Prisoner's Song (Hannibal 1341)
disc 3, track 9 taken from El Hob Kolloh (Sono Cairo 136)
disc 3, track 10 taken from The Legend of Lata Mangeshkar (EMI India 32001)
disc 3, track 12 taken from Raï Roots (Buda Musique 82874)
disc 3, track 13 taken from Tonggeret (Nonesuch Explorer 79173) (existence indeterminate)
It should be noted that on one track, the performance credits were confirmed to be wrong, perhaps hastily copied from a reissue release. Other tracks may have similar errors.
Sub-Optimal Credits
on disc 2, track 4, Ljubimka Bisserov performed tarabuka (vase drum)
on disc 2, track 4, Neda Bisserov performed dajre (tambourine)
