After a three-year hiatus, Chicago’s premier instrumental hip-hop duo, The Opus, is back with another hypnotic and overcast album. With their boom-bap rhythms and ethereal melodies, the compositions of Mr. Echoes and The Isle of Weight are hard enough to evoke head-nods but calm enough to inspire deep contemplation. And a number of remixes, including their eerie take on Sonic Sum’s “Films,” don’t interrupt the flow of this release a bit. While not a huge step forward from previous efforts, Blending Destiny is a worthy continuation of the atmospheric sound this duo has been delivering since the turn of the century.