Pioneer Women's Memorial Garden (Adelaide) surrounded by green lawns, and four garden beds with ornamental trees and shrubs at the edges. Cornish's choice of plants was influenced by their symbolic meanings, selecting five "Populus nigra "Italica"" (Lombardy poplars) to represent the five women of the Pioneer Women’s Memorial Trust; "Quercus ilex" (holly oak) and "Myrtus communis" (myrtle) for protection and love; "Lonicera" (honeysuckle) for love, generosity and devotion; and "Syringa vulgaris" (lilac) to symbolize memory, protection, youth and tenderness. Here the designer carefully selected plants for their metaphorical meanings. Original plans for the garden included the use of a 'floral clock', that would represent the
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