Wiktionary
alcian blue
n. (context organic chemistry English) A basic copper-containing phthalocyanine dye that is used to stain mucopolysaccharides
Wikipedia
Alcian Blue (band)
Alcian Blue was a shoegaze and new wave-influenced band operating out of the Washington, DC suburb of Takoma Park from 1998 to 2006. They were known for their extremely loud wall of sound live aesthetic coupled with the use of disorienting video projections.