We were treated to Gaga dancing in a sandbox with skeletons, crawling through the eye of a giant skull and riding a gondola ...

Cirkut on working as a producer for Lady Gaga's 'Mayhem' and creating pop songs with other star collaborators over the years.

Built around four acts and a finale, her brilliant 150-minute concert proved that emotionalism and excess can co-exist and even thrive in each other’s company.