Voyager 1 and 2 are space probes launched by NASA in 1977 to study the
outer planets.
"Each Voyager space probe carries a gold-plated audio-visual disc in the
event that the spacecraft is ever found by intelligent life forms from
other planetary systems.The disc carries photos of the Earth and its
lifeforms, a range of scientific information, spoken greetings from
people such as the Secretary-General of the United Nations and the
President of the United States and a medley, "Sounds of Earth," that
includes the sounds of whales, a baby crying, waves breaking on a shore,
and a collection of music, including works by Mozart, Blind Willie
Johnson, Chuck Berry and Valya Balkanska. Other Eastern and Western
classics are included, as well as various performances of indigenous
music from around the world. The record also contains greetings in 55
different languages"
After receiving and reviewing all the information on Human existence
contained in Voyager, the aliens sent this short message to Earth

SEND MORE CHUCK BERRY
(Steve Martin-SNL-1978)
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Voyager's Golden Record: Johnny B. Goode _Chuck Berry
https://www.youtube.com/watch?v=FboXO1FtbvE