Rock band Alabama Shakes is on course for its first No. 1 album on the Billboard 200. Industry forecasters suggest the group’s new set, Sound & Color, may move over 90,000 equivalent album units in the week ending April 26. The Billboard 200 chart ranks the most popular albums of the week based on multi-metric consumption, which includes traditional album sales, track equivalent albums (TEA) and streaming equivalent albums (SEA). The new Billboard 200’s top 10 will be revealed on Wednesday,