There are at least four artists sharing this name:
1) Madu Messenger is UK based dub & reggae male vocalist. He is well known for his cooperation with Steve VIBRONICS on the Scoops label.
2) Madu (Madina Altynbayeva) is female pop singer from Kazakhstan.
3) Madu is Female pop singer from Indonesia.
4) Madu/Madu765 a Brazilian funky-jazz instrumental project.
5) Madu is a Dublin-based band fronted by Irish/Malaysian brother and sister team – dub and beats controller Salim and vocalist Aminah.
Madu, aka Madu765, is a Brazilian funky-jazz instrumental project lead by musician, writer, producer and DJ Otávio Mad