Counterflows 2015: highlights

�¢ New sounds from Brazil via Rio De Janeiro's festival Novas Frequencias: don't miss the bold, sweet guitar distortion and roaming vocals of singer/poet Negro Leo. CCA, April 2

�¢ Featured artist is the multifarious Glasgow musician Richard Youngs: hear his new work for four voices (CCA, April 3), a family trio called The Flexibles (The 78, April 4) and a solo set (Glad Cafe, April 5)

�¢ Improvising mavericks Evan Parker and Sten Sandell duet on saxophone and church organ. Glasgow University Chapel, April 4

�¢ Noura Mint Seymali closes Counterflows. Langside Halls, April 5