Answer:
My second is performed by my first, and it is thought a thief by the marks of my whole might be caught.
A canvas full of stars.
Inside a burning house, this thing is best to make. And best to make it quickly, before the fire's too much to take.
What sevenยญletter word becomes longer when the third letter is removed?
What instrument plays from the heart?
How did the farmer find his wife?