From left, jazz musician Louis Armstrong in Rome in 1968, Janet Jackson at the Essence Festival in New Orleans in 2018, and Nas at the Essence Festival in 2019. Works by each of these musicians are among 25 recordings being inducted to the National Recording Registry.

Jazz musician Louis Armstrong appears in Rome in 1968, from left, Janet Jackson performs at the Essence Festival in New Orleans on July 8, 2018, and Nas performs at the Essence Festival in New Orleans on July 6, 2019. Jackson’s socially conscious album “Rhythm Nation 1814,” Armstrong’s jazzy “When the Saints Go Marching In” and Nas’ debut release “Illmatic” are among 25 recordings being inducted to the National Recording Registry. (AP Photo)