It took a while to make it happen, and it isn't taking the shape they'd initially envisioned, but Mick Jagger and Martin Scorsese's ambitious, as-yet-untitled "rock project" is on its way to the screen.

Initially conceived by Jagger, it was originally planned as a film before making its way to HBO as a series concept in 2010. Titled 'History of Music' at one point, the show was supposed to use 40 years of pop culture as the backdrop to a long story about the long relationship between two friends, but over time, the focus was narrowed and shifted; according to the network, the series as it stands now "will explore the drug- and sex-fueled music business as punk and disco were breaking out, all through the eyes of a record executive trying to resurrect his label and find the next new sound."

Although the show is still looking for a title, plenty of other pieces have already fallen into place, including a running time (it'll be an hour-long drama) and a production homebase (it'll shoot in New York City). Scorsese and Jagger have also rounded up a cast, which includes Bobby Cannavale in the lead role and a roster of supporting players that includes Olivia Wilde, Ray Romano, Juno Temple and Max Casella. A premiere date remains to be scheduled.

It's just the latest collaboration between Scorsese (who has already directed the pilot) and Jagger: The duo recently worked together on the 2008 Rolling Stones documentary 'Shine a Light.' The director also has a healthy relationship with HBO; along with Terence Winter, who's also producing this new series, he's part of the brain trust behind the network's hit show 'Boardwalk Empire.'

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