The instruments are either Shared Equity Note or Mezzanine Financing.There are some other ways to do this and we do not have all your details so seek counsel.  

To the best of my knowledge, notes on mortgages are valid until satisfied.Regarding your last sentence, the instrument that secures the repayment obligation with an interest in real property has a definite period within which it must be exercised in relation to the maturity date of the mortgage/DoT.

I studied music from ages 6 to 17 but don't touch my piano so much now.

You forgot the great Music!!!

Franchises, College, Motorcycle Repair, Music Teacher, Import/Export, Amazon, Ebay, and on. 

That garage is going to have a lot of neighbors including the ones living in the house that won’t be happy with your guest puking and blasting music

And we don't get as much of them as we used to because royalty rates from online music really suck.

If it's legit, the pitbull is viewed as a medical instrument, and not a pet.

But when the music stops.....

These houses are easy for buyers to get into, they are expensive to maintain and the KB neighborhoods in my area stagnate; overgrown yards, old leaning fences, worn out siding in need of paint, foreclosures on every other block, loud music etc.