New Horizon vol.10-3 Concerto Grosso

[Multiple layered and divided Strings ensemble, layered strings of high register, strings move with slow crescendos and ends that melodies at the bottom of decrescendos in ppp, this piece consists of repetitions of slow crescendos and slow decrescendos by strings ensemble and high registered strings, such moves have to be played continuously, crescendos have to start from ppp, then it rises slowly about 2 measures toward the top notes played with mf, then strings ensemble starts to play 2 measures of decrescendos slowly toward to the bottom notes which are played in ppp, keep such “waving”shape strictly, Layered strings ensemble have to assemble precise and beautiful harmonies, ]