Beep, bloop, buzz, boom Eeeek, ahhhhh, ohhhhh, vroooommmm A word or sound that comes from within Take a breath, close your mouth, breathe out a sound that rhymes with rum

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

Simpler tastes prevail, A little tried and true, White and clean, A taste of beans, Or a boring way to do?

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