Stairway To Heaven LedZeppelin: Will Power sings another melodic Sudoku for us

Today's Video:

A well named puzzle from ebiggie that certainly hints at the approach to solve this beauty. Enjoy!

Link to Play:

Stairway To Heaven LedZeppelin by Will Power https://link.sudoku-sleuth.com/StairwayToHeavenLedZeppelin

Rules:

'There's a lady who's sure all that glitters is gold...' (Led Zeppelin 1971)

Normal Sudoku rules apply.

KILLER CAGES(+)- Numbers in cages sum to the number in the top left corner of the cage. Cages with the same total have the same digits in them.

KROPKI PAIRS- Numbers with a white dot between them are consecutive. Not all possible dots are shown.