Possible Clues:

• In there it happens to be one under the eight
• Be quiet about what happens for by no means the first time
• Sh! That's about what happens to be by no means the first
• Stretch time
• Interval just less than octave
• Avenue that crosses Broadway at Times Square
• In there it may happen not to be enough to make one one over the eight (7)
• Nought point 142857 recurring; chord (mus.)
• Sh! It happens in there not to be one over the eight (7)
• ... son of a ... son is said to be a healer