The Rock & Roll Hall of Fame and Museum in Cleveland on Friday released designs for a $100 million renovation and expansion, which would grow the museum’s footprint by a third with a dramatic addition to the original I.M. Pei building.

The Rock Hall announced that the architecture firm PAU will lead the project, which will bring 50,000 square feet of programming space and a new band shell overlooking the shores of Lake Erie. The triangular addition will resemble a guitar pick slicing into the base of the original waterfront pyramid, which opened in 1995.

Vishaan Chakrabarti, the architecture firm’s founder and creative director, will oversee the expansion with assistance from other design firms including Cooper Robertson, James Corner Field Operations and L’Observatoire International.

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