Most often the term Radio Jingles can be used to collectively describe all elements of radio station branding or identification. Accurately the term in the context of radio used to describe only those station branding elements which are musical, or sung. Sung jingles are the most common form of radio station branding otherwise known as imaging. A radio jingle therefore is created in a studio by session singers and includes a musical representation of the radio station name and frequency. Radio stations will sub contract to specialist radio jingle producers who will create the musical sound and melody, along with the recording the session singers. The elements, termed a donut , will then be dispatched to the radio station in various time variations to be edited by local radio producers before being broadcast in between songs, or into and out of commercial breaks.  Alternatively, Jingles can be made in-house by production staff 
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The 60-page document is substantively light, as there is much background and rehashing of FDA’s legal authority contained in earlier public statements and briefs. FDA spends considerable time articulating the public health interests affected by communications about unapproved uses. FDA touts its efforts to date as claiming “to strike a careful balance, supporting medical decision-making for patients in the absence of better options, but doing so without undermining the measures designed to incentivize the development and approval/clearance of medical products that would reduce the need to rely on unapproved use, in light of its risks.” FDA Memo, at 20.