Brooke Ligertwood announced that she would releasing "A Thousand Hallelujahs" as the first single from her live album, Seven (2022), on 14 January 2022.

[5] Ligertwood shared the story behind the song,[6] saying: My husband and I went down to our friend, Phil Wickham, who lives just about an hour down the road from us.

"A Thousand Hallelujahs" is composed in the key of D♭ with a tempo of 68 beats per minute and a musical time signature of 44.

"[9] Timothy Yap of JubileeCast described the song as having "a congregational affinity", concluding that "Featuring a memorable chorus with a melody that invites you to worship, "A Thousand Hallelujahs" ranks high up there with Hillsong's classics such as "What a Beautiful Name" and "Who You Say I Am.

[13] On 14 January 2022, Brooke Ligertwood released the live performance video of "A Thousand Hallelujahs" via YouTube.