Before a guitar chord can become an argument, it usually begins as a private disturbance. A television flickers in a locked-down room. A former sailor sees an old enemy image placed beside a strange public gesture of peace. That is the uneasy ground beneath "War Killer," the Reetoxa and it gives the track its charge: not polish for its own sake, but a human reaction...

Musicians who can create magic by drawing into their origins have a certain captivating and true quality about them. Sista Mika, whose given name is Sophia Michalakoudis, is a living monument to the genuineness of that culture. Sista Mika was born in Brussels with a Greek background. She grew up to the rhythmic rhythms of rebetiko, Greece's response to blues and reggae, a lyrical story of...