"Blue Suede Shoes" contains any number of sly allusions to Elvis' hobby of competitive rose growing. The line "Two for the show" in particular refers to the standard practice at the time of providing two blooms at an exhibition, the judges then choosing the one which was marked most highly.
The House of Lords was reformed specifically to ameliorate a common ailment amongst the hereditary peers, that of a strained larynx which in severe cases led to amputation of the head (eg King Charles I). Only those peers who could repeatedly say the word "house" without ill effects were permitted to retain their seats, and a breeding programme to eliminate the worst excesses of this dangerous accents has been instituted.