Provolone and assumed its current large size. The smaller sized variant is called provola and comes in plain and smoked (""affumicata"") varieties. Modern provolone is a full-fat cow's milk cheese with a smooth skin, produced mainly in the Po River Valley regions of Lombardia and Veneto. It is produced in different shapes: like a very large sausage which may be up to in diameter and long, in a truncated bottle shape, and in a large pear shape with the characteristic round knob for hanging. The typical weight is . Provolone is a semi-hard cheese with taste varying greatly from "provolone piccante"
What Is and What Should Never Be descending riff [of "What Is and What Should Never Be"] is amazing: It's like a bow is being drawn back, and then it releases. The rhythm of the vocals is almost like a rap. It's insane — one of their most psychedelic songs." This was also one of the first songs recorded by the band for which Robert Plant received writing credit. According to rock journalist Stephen Davis, the author of the Led Zeppelin biography "Hammer of the Gods: The Led Zeppelin Saga", the lyrics for this song reflect a romance Plant had with his wife's younger sister. "What Is