Kikapust. Par TRADITIONNEL. Nobody Knows/Deep River is an arrangement of two traditional spirituals for Soprano Solo with TTBB Chorus by Jonathan Rathbone. The Kikapust Choral Series offers choirs an extensive choice of close-harmony a cappella arrangements. All of our arrangers / composers – Jonathan Rathbone, Ben Parry & Mark Williams – were long-standing members ofthe Swingle Singers. / Niveau : Facile / Jonathan Rathbone / Feuillet / A Cappella