Academy of the Sacred Heart - Bloomfield Hills issued the following announcement on Sept. 3. 

Save the date. On Sunday, September 20 we will be holding "Mass on the Grass." This will be a socially distanced, outdoor event with masks required. A virtual option will also be available. Registration is required - link forthcoming. Stay tuned!

Original source can be found here.

Source: Academy of the Sacred Heart - Bloomfield Hills