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Starting in the mid-2010s VR's high cost of entry became low enough for consumers and artists to explore and experiment with the technology. There have been a few VR operas developed by medium to large sized teams such as Michel Van Der Aa's Eight (2018) and Alexander Schubert's ⁂ASTERISM⁂ (2021), but no widespread work has been produced by a small team comprising only a librettist and composer. Vessels engages in this process with a libretto written by Bea Goodwin and music, audio processing, visual design, and programming by Christopher Poovey. The first step in the process of creating Vessels was the creation of the song cycle Songs from Vessels for soprano, extended tenor, flute, bass flute, A clarinet, viola, contrabass, percussion, and live electronics. These songs are the basis of the micro-opera Vessels which presents recordings of the songs with live processing alongside two songs exclusive to the opera in a VR environment with immersive projections and audio. The development of an ensemble and electronic work along with a VR micro-opera necessitates the implementation and creation of software. Both the Grainflow and cpDelayNetworks packages for Cycling ‘74 Max are pivotal to audio processing in both versions of the work. In addition to these packages and other programming done in Max, the VR opera version of the work relies on custom scripts and implementations of tools for VR interaction, networking, spatial audio, and procedural animations to create an immersive environment to be shared between a VR participant and their audience.

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