instrumentation and the music in its standard chamber version tehillim is scored for four women 's voices ( one high soprano , two lyric soprano and one alto ) , piccolo , flute , oboe , english horn , two clarinet , six percussion ( playing small tuned tambourine without jingles , clapping , maraca , marimba , vibraphone and crotales ) , two electric organ , two violin , viola , cello and bass .