Country singer-songwriter Liz Anderson, best known for her hits 'Mama Spank' and 'The Game of Triangles,' died on Monday, Oct. 31 due to complications from heart and lung disease. She was 81-years-old.

Anderson left behind many notable awards, including two Grammys, as well a daughter who shares her musical talent. Anderson is the mother of country-pop performer Lynn Anderson.

Additionally, the late Anderson penned the hits '(My Friends Are Gonna Be) Strangers' and 'I'm a Lonesome Fugitive' for Merle Haggard, the first of which helped him decide on the band name the Strangers.

She was also credited with writing songs for her daughter, Conway Twitty and Del Reeves.

Liz Anderson was hospitalized just last week on Thursday, Oct. 27, but was reported to be in stable condition at St. Thomas Hospital in Nashville, Tenn. over the weekend.

At press time, funeral plans had not been released to the public.

Listen to Liz Anderson's 'Walk Out Backwards'