Get ready to feel very emotional with "Marimba Concerto "The Crossed Sonar of Dolphins": II. Shoals and Ocean Currents. Largo" by Takatomi Nobunaga. With a 115 BPM and 3 time signature, the rhythms flow in G minor. Spanning 7 minutes and 15 seconds, "Marimba Concerto "The Crossed Sonar of Dolphins": II. Shoals and Ocean Currents. Largo" radiates low energy from start to finish. Let the very emotional vibes of this track carry you away.