The R121 is mostly known for being the industry standard ribbon mic for electric guitars, brass and string instruments. It's not as often considered a standard vocal mic as an engineer's go to condenser vocal microphone.
However, in this clip. you can hear how the r121 sounds in a mixed acoustic track and then solo'd out with very little eq.
you can find out more about Royer Labs at www.royerlabs.com
Also subscribe to Gear Talk Channel. I will be consistently releasing demonstrations of the 121 on other instruments. Also, it is currently used in 100% of my demos for guitar products.
Find more of Anthony Aparo's music and his band Culture Culture here vvvvvvvvvvvvv