Name The Word Riddle

I am a word of 11 letters.
My 4, 9, 5 is worn on the head.
My 10, 9, 1, 11 is a narrow road.
My 11, 2, 3, 4, 5 is a number.
My 8, 6, 7 is a spirit.
My whole is an excellent songster.
What am I?

NOTE: To see the answer click and highlight the area between the arrows below.

Answer: -->Nightingale<--