The phrase "a simple recording" is correct and usable in written English.
It can be used when referring to an audio or video capture that is straightforward or uncomplicated in nature.
Example: "For this project, we will create a simple recording of the meeting to ensure everyone is on the same page."
Alternatives: "a basic recording" or "an uncomplicated recording."
It was to be a simple recording: Just him, his guitar and three songs.
Four young men are gathered around a piano in a simple recording studio.
A simple recording of a mosquito's buzz on a cellphone could contribute to a global-scale mosquito tracking map of unprecedented detail.
This was revolutionary because it implied that painting originated in the imagination of the artist, rather than being a simple recording of the great and the good, history and religion.
Oldham's second album, "Days in the Wake," from 1994, is a simple recording of him singing and strumming; "Viva Last Blues," which he made with a full band and released in 1995, includes a half-heroic rock song called "Work Hard/Play Hard".
Of course, this is more obvious than using a simple recording device with a Mic.
This simple summoning of the destruction of buildings is followed by a simple record of the creation of one in the Lennon-Ono film, "Erection" (1971).
A simple records search showed that an eyewitness who had given crucial testimony against Little had been in prison at the time of the murder.
It is this disavowal of righteousness that makes Guantánamo Diary more than a simple record of atrocity, and gives Slahi's untutored, disjointed prose a kind of nobility.
One such story, due for broadcast July 12, starts out as a simple records search but ends up going right to the heart of the ugliness of slavery and the emotions it engendered.
To a president who has already made history by being the first African American to hold the office, Obama's answer goes beyond a simple record of his administration.
