In a poem, JW (then president of the Swiss mission) writes we sung praises to Heavenly Parents while we lived with them in the pre-existence.

Date: Jul 22, 1857
Type: Personal Journal / Diary
Source: Jabez Woodard
LDS
Hearsay: Holograph
Direct
Reference: Jabez Woodard, "LOVE," poem in diary, 1857 August - 1858 February, Entry for July 22, 1857, Church History Library
Scribe/Publisher: N/A
People: Jabez Woodard
Audience: N/A
Transcription: Our father lives in heaven above,
In worlds of light and glory;
And spirits there must learn to love,
While round his royal throne they move,
Or sing their Parents' story.
Source Link: https://catalog.churchofjesuschrist.org/assets?id=f7a0e970-65b2-43a8-9f31-b7e355c43790&crate=0&index=27
Citations in Mormonr Qnas: Heavenly Mother