Provolone (sharp/piquant), aged for a minimum of four months and with a very sharp taste, to "provolone dolce" (sweet) with a very mild taste. In "provolone piccante", the distinctive piquant taste is produced with lipase (enzyme) derived from goat. The "Dolce" version uses calf's lipase instead. Both "provolone valpadana" and "provolone del Monaco "(from the Naples area of Italy) have received the DOP (Protected Designation of Origin) seal from the European Union, meaning no country other than Italy may legally produce a cheese called that. In Brazil, Argentina, Bolivia and Uruguay, small discs of locally produced pulled-curd provolone of in diameter
What Love Is Made Of three minutes and fifty-five seconds (3:55), "What Love Is Made Of" is an uptempo dance and house track that has been described as "rave-y" and "trance-y". Its instrumentation contains the sounds of pianos and synthesizers. Jordan Sargent of "Spin" observed that it continued the musical style first introduced in Katy's 2012 extended play (EP), "Danger EP", which was "straight-forward house". Idolator's Sam Lansky compared her performance in the song to recording artist Siobhán Donaghy. Critical response to "What Love Is Made Of" was generally positive: most critics noted Katy's vocal performance and commended its sound. Siân Rowe from "NME" was