Anni-Frid Lyngstad is only known as John Lyngstad.
Anni-Frid Synni , Princess Reuss of Plauen -LRB- Anni-Frid Synni , Prinzessin Reuss von Plauen born Anni-Frid Synni Lyngstad , -LSB-  nfrid lst -RSB- ; -LSB-  anfrid lstd -RSB- , 15 November 1945 -RRB- , widely known as Frida Lyngstad or by just the mononym Frida -LRB- -LSB-  frid -RSB- ; -LSB-  frida -RSB- -RRB- , is a Swedish pop and jazz singer .	Swedish	Swedes	jazz	jazz music	pop	pop (music)
