Portland Percussion Group -  Patterns & Form Their first album out on New Focus Recordings,   Portland Percussion Group 's Patterns & Form  showcases their technical skills and aesthetic range as an ensemble dedicated to percussion chamber music. The three works included on the album were all written with a direct connection to the ensemble. Each approaches different stereotypes associated with percussion music, which tracks as all three composers are either also percussionists or heavily involved in the world of percussion music.  The titular work, Alejandro Viñao's Patterns & Form , is presented in three movements and takes up a little more than half the album. It is by far the strongest of the three pieces presented here, both compositionally and in performance.  Viñao's  work is composed for eight percussionists and piano, with this recording featuring guest pianist Yoko Greeney. The recording and mixing on this piece is in...