Who are the hottest singers on the charts: The Veronicas, The Young Divas, Pink? Nope- Kamahl and Barry Crocker. I kid you not. That’s of course, if you’re looking for music in ‘op shops’. Melbourne Record Collectors, a group of second-hand traders who organize record fairs, have compiled statistics that show the pair at No.1 and No.2 on the op shop hit parade. Of course, that could mean their music is the least popular. Why are people so unkind?