Most Tchelitchev works can be licensed through Art Resource, linked below.
The copyright holder, or anyone the copyright holder authorizes.
With permission from the copyright holder, yes.
The copyright holder or their appointed representative can take action.
In writing.
Only use materials in the public domain, for which you are the copyright holder, or for which you have permission from the copyright holder or an exemption in the law.
The only way to be certain is to contact the copyright holder yourself.
Nothing will happen to a person who breaches copyright law unless the holder of the copyright chooses to sue the violator. The lawsuit court settlement will determine the monetary damagesowed to the copyright holder (if any).
The current copyright holder is Vanitas Records, c/o The Harvard Lampoon, 44 Bow Street, Cambridge, MA 02138-5001. I was the individual who originally posed the question. I searched the B.M.I. website catalogue and then I answered my own question.
Unless other arrangements are made, the creator of the work is the automatic copyright holder.
You need permission from the copyright holder or an exemption in the law.
Unless other arrangements were made, the creator is automatically the copyright holder.
Unless other arrangements were made, the creator is the initial copyright holder.