Beastie Boys were an American hip hop and rap rock group from New York City formed in 1978.The group was composed of Michael "Mike D" Diamond (vocals, drums), Adam "MCA" Yauch (vocals, bass) and Adam "Ad-Rock" Horovitz (vocals, guitar, programming).

and

Diamond was born in New York City to a Jewish household.

and

Yauch's mother was Jewish,

and

(Horovitz's) father is Jewish,

All three are jews from NY.

https://en.wikipedia.org/wiki/Beastie_Boys

https://en.wikipedia.org/wiki/Mike_D

https://en.wikipedia.org/wiki/Adam_Yauch

https://en.wikipedia.org/wiki/Ad-Rock