Castle of St John the Baptist Castle of St John the Baptist The Castle of St John the Baptist ("Castillo de San Juan Bautista"), also called Black Castle ("Castillo Negro") , in the city of Santa Cruz de Tenerife in the Canary Islands of Spain, was the second most important fort in the defense of Santa Cruz de Tenerife. It is located in the heart of the capital near the Parque Marítimo César Manrique and behind the Auditorio de Tenerife. Its construction was started in 1641 and completed in 1644. It was later rebuilt in 1765 with the addition of a cylindrical tower facing the sea.
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