Let's Get It On (song) five. "Billboard" ranked it as the No. 4 song for 1973. The song became the biggest selling Motown release in the United States at the time, selling over two-million copies within the first six weeks of following its release. "Let's Get It On" also became the second best-selling single of 1973, only surpassed in sales by Tony Orlando & Dawn's "Tie a Yellow Ribbon Round the Ole Oak Tree". At the time, the single was Motown's largest-selling recording ever, selling over three-million copies between 1973 and 1975. The single has gone on to sell over 1 million copies, and, on
An Oak Tree glass of water," and explains that "the actual oak tree is physically present but in the form of the glass of water." Craig-Martin considered "the work of art in such a way as to reveal its single basic and essential element, belief that is the confident faith of the artist in his capacity to speak and the willing faith of the viewer in accepting what he has to say". The "Catholic Herald" compared the work to the Roman Catholic doctrine of Transubstantiation and the Real Presence. The original is in the National Gallery of Australia, and an artist's copy is