Sunday’s concert brought forth another round of thoughtful homages to the late Grateful Dead bassist, including rarities that nodded to different moments of Lesh’s precocious career.

Tina Turner could return to the stage as a hologram – two years after her death. The company that manages the US star’s estate has filed an application to trademark her name in virtual reality.

ABBA's "Mamma Mia" is world famous. With a catchy chorus and a blockbuster film starring Meryl Streep and Amanda Seyfried behind it, people of all generations know the tune. But back in 1975, the ...