Possible Clues:

• Legendary rock revealed by a female worker
• Firm including a worker in commercial transaction, initially
• With mind made up
• Obdurate old musical artist
• Musician/actor, born Stuart Leslie Goddard in 1954
• Unwilling to negotiate
• One may be positive that that's the father of all the insects
• Unyielding, stubborn
• One may be positive that this is the first of the insects
• Firm and unyielding