History of Cantata-57

Overview

Cantata-57 is a Legendary Hand Cannon made by SUROS that deals Arc damage, an Adaptive Frame per d2.destinygamewiki.com. Flavor text: "SUROS invites you to flex your pipes." Its curated roll features Fluted Barrel, Extended Mag, Eye of the Storm and Moving Target, and it carries the SUROS Synergy origin trait (bonus handling and reduced flinch for a short time). Destinypedia's random-roll notes mention Rapid Hit, Timed Payload, Opening Shot, Rangefinder and Moving Target.

Acquisition

Open Legendary engrams and earn faction rank-up packages (Bungie source text). Neither opened source lists it as craftable or as having an Adept version; that is not stated.