Flick on Memory Streams, Portico Quartet’s freshly-released fifth studio album, and in moments you’ll be enveloped by its rhythm-tripping instrumental soundscape. At turns epic and immersive, uplifting and emotive, Portico Quartet’s new record is a weave of echoing keys, flurrying electronic loops and sonorous saxophone; growling bass and Jackson Pollock-esque drums. Magpieing influences from everything …