This is the 753rd most frequent Italian word.
singolo
"Singolo" means "single" in English.
In this sentence, 'singolo' is used to mean 'single' or 'one and only', describing a single item out of a group.
Quel singolo fiore è molto raro.
That single flower is very rare.
Here, 'singolo' emphasizes the singularity and exclusivity, meaning not even one.
Non ho trovato un singolo errore nel tuo lavoro.
I didn't find a single mistake in your work.
In this context, 'singolo' refers to a 'single' piece of music released, common in the music industry.