Challenging circumstances are nothing new to the Kel Tamashek (Tuareg) band . After all, most of their members had been Libyan military-trained rebel fighters engaged in active revolt against the Malian government before the Tamanrasset Accords in 1991. Beginning in 2012, real danger is ever present in northern Mali -- due to the incursion of Islamist militias -- for the Tuareg people and to musicians in particular. So much so, many, including , have fled the country. One of their members, , was even kidnapped, though he has since been released. was forced to exchange one desert -- the Sahara -- for another in Joshua Tree National Park in the United States in order to record (without , who was freed after recording began). Once more produced by , the sound here retains its "desert blues" heart but is also more expansive -- there's no need for alarm, really. The traditional interlocking guitar interplay involves more drones as lead lines snake underneath them, and there is more reverb in this mix. All of the material was written by leader or his bandmembers. Exile, anger, and displacement populate the songs on Emmaar. Multi-instrumentalist adds his spiraling fiddle to "Imdiwanin Ahi Tifhamamone" and pedal steel to the militant opener "Toumast Tincha" (that also features guitar from and a spoken intro by ), and the atmospheric dirge "Sendad Eghlalan." Percussionist helps out on the stinging "Chaghaybou" and five other tracks, adding a sense of more dynamic urgency to balance the more drone-centric approach. "Emajer," with guest guitarist , is a different tack for . Its vibe is more American Southwest (which isn't so strange since this is a nomadic band after all). But 's lyric and melody are pure African folk song, reflecting loss and longing, as the rolling percussion, voices, and guitars wind around one in multiple melodies underscoring the emotion. The interwoven acoustic guitars on closer "Aghregh Medin (Hassan's Song)" offer a staggered minor-key blues. They highlight the disillusionment in the lyric "... I no longer believe in unity/I will only believe in it again if/Those opinions serve a common ideal/That of the people from which they emanate." The different textures and timbres at work on reveal 's evolution; one derived from the need to grow musically, as well as respond to adversity with creativity. ~ Thom Jurek