The Orpheum Theatre hosts around 40 events per year, the letter continued, requiring musicians, vehicles and concert-goers to pass through Hamilton Place.

Orpheum, Boston’s oldest continually operating theater, uses Hamilton as its sole entrance and exit for artists, guests, tour buses, and trailers with performers’ equipment.

For at least 30 years, the Orpheum Theatre, now owned and operated by Crossroads Presents and Live Nation, has used Hamilton Place as a staging area for guests to await entrance, as space for ...