Who is the most popular music artist in Perú right now?

Answer 1

1. A well-known Peruvian on the international stage is Susana Baca.
http://www.luakabop.com/susana_baca/
http://www.rootsworld.com/rw/feature/baca.html
http://susanabaca.calabashmusic.com/
http://en.wikipedia.org/wiki/Susana_Baca

2. For popular artists in Peru, you should search on the internet - but you'll get better results if you do it en español.