At the time of its completion in 2015, Symphony was the longest yacht ever built in the Netherlands.

The ship's exterior was designed by Tim Heywood.

[3] The yacht is sailing under Cayman Islands flag.

[8][1] Symphony has four main diesel engines (Type: MTU 20V 4000 M73 – 2,560 kW or 3,433 hp) each.

[citation needed] This provides it with a combined power of 10,240 kW (13,732 hp).