ABBA

Whoever knows
ABBA 
has a clue.


SOLUTION (revealed on Friday)
I have had very innovative suggestions for both "Dancing queen" ,  "Chiquitita" and "Lovelight" but it was not those songs that were in my head. The song is ABBA's first hit "Ring, Ring". The ring you put on your candlestick is called light ring or drip-ring according to our dictionary. And that is what you see in the photo, taken from above. That is a different a viewpoint for the Abstract theme.