Quadvium have premiered a new video for their new song “Náströnd.” This track is from the band’s debut album, “Tetradom,” which will be released on May 30. Bassists Steve Di Giorgio (Testament) and Jeroen Paul Thesseling (ex-Obscura) said the following about the single: “We’re stoked to reveal Quadvium‘s first single ‘Náströnd‘. We hope you’ll enjoy…