The term 'SANDY SOUNDS' can be broken down into two crossword solutions: ARFS (4 letters) and ARFARF (6 letters). ARFS is an acronym for the Association of Recorded Sound Facilities, which is a professional organization that provides support and resources to sound engineers and producers. ARFARF is an onomatopoeia for the sound a dog makes, which is often used as a playful way to express excitement or joy.