I'm the longest word you can produce using only parts of my top row...

Ring me to signal your arrival, I can often change my tune with the seasons. If you have social anxiety you tend to hate my sound.

Settling on forgotten shelves, a silent dance in sunlight, born of decay yet a testament to time's breath.

First four: single tone, Brit's bill Three more: landing target, embellish, add frills Kin to word, though simpler still

Education system’s measured instrument for delivering student punishment