Dolan says the company will not back down in using the tech to bar entry to lawyers engaged in legal matters against company.
The state's top lawyer is requesting details after reports the software has been used to ban attorneys involved in lawsuits against the company from its venues.
The live music business will be separate from MSG Networks, MSG Sphere and Tao Group Hospitality.
Expenses also surged $88 million on live events costs and MSG Sphere construction.
