It’s an outstanding week for heavy music.  Unconventional Boston hardcore quartet Converge adds to its eminent catalog with a heaping dose of full-throttle thrash metal, resulting in an album that might be its best to date.

Instrumental rock trio Russian Circles showcases a maturity through complete creations — songs that equally call upon sheer beauty, ascending tension, and caustic force.  And heavy-psych super group Shrinebuilder channels cyclical riffs, swirling effects, and meditative breakdowns. (more…)