Shield volcano are cave-like volcanic straights formed by the hardening of overlaying lava. These structures help further the propagation of lava, as the walls of the tube insulates the lava within. Lava tubes can account for a large portion of shield volcano activity; for example, an estimated 58% of the lava forming Kīlauea comes from lava tubes. In some shield volcano eruptions, basaltic lava pours out of a long fissure instead of a central vent, and shrouds the countryside with a long band of volcanic material in the form of a broad plateau. Plateaus of this type exist in Iceland, Washington, Oregon,
Songs from Liquid Days Live", March 22, 1986. Stephen Holden of "The New York Times" wrote in 1986, Holden concludes, "But with all its charms, "Songs From Liquid Days" is still minor Glass." AllMusic wrote that ""Songs From Liquid Days" became Philip Glass' most popular and successful recording," and concluded that "Songs From Liquid Days may be their [the minimalist composers'] single greatest achievement." All songs feature the Philip Glass Ensemble under direction of Michael Riesman. Cover photo of Philip Glass is by Robert Mapplethorpe. Songs from Liquid Days Songs from Liquid Days is a collection of songs composed by composer Philip Glass with