One outstanding feature of Call of Duty Mobile is the theme music. Almost every season has its own lobby music, and while the first five seasons had variations of the Season 1 theme, starting with Season 6, each composition is unique, matching the season's overall look and feel. Unfortunately, the music of the previous seasons is no longer available in-game, but you can listen to all of the tracks below.
Season 1
Season 1 Halloween Theme
Season 2
Season 2 Christmas Theme
Season 3
Season 4/5 Disawoved/Steel Legion
Season 6 Wild West
Season 7/8 Radioactive Agent/The Forge
Season 9 Conquest
Season 10 The Hunt
Season 11 Anniversary
Season 11 Halloween Theme
Season 12 Going Dark
Season 13 Winter War
Season 13 Christmas Theme
Season 1/2021 (14) New Order
Season 2/2021 (15) Day of Reckoning: Login
Season 2/2021 (15) Day of Reckoning: Main Theme
Season 2/2021 (15) Day of Reckoning: Alt Theme
Season 3/2021 (16) Tokyo Escape: Login Theme
Season 3/2021 (16) Tokyo Escape: Main Theme
Season 3/2021 (16) Tokyo Escape: Alt Theme
Season 3/2021 (16) 80's Action Heroes: Login Theme
Season 3/2021 (16) 80's Action Heroes: Main Theme
Season 3/2021 (16) 80's Action Heroes: Alt Theme
Season 4/2021 (17) Spurned & Burned: Login Theme
Season 4/2021 (17) Spurned & Burned: Main Theme
Season 4/2021 (17) Spurned & Burned: Alt Theme
Season 5/2021 (18) In Deep Water: Login Theme
Season 5/2021 (18) In Deep Water: Main Theme
Season 5/2021 (18) In Deep Water: Alt Theme
Season 6/2021 (19) The Heat: Login Theme
Season 6/2021 (19) The Heat: Main Theme
Season 6/2021 (19) The Heat: Alt Theme
Season 7/2021 (20) Elite of the Elite: Login Theme
Season 7/2021 (20) Elite of the Elite: Main Theme
Ozuna - A La Buena, El Mejor (Copyright Aura Music Corp.)
Season 7/2021 (20) Elite of the Elite: Alt Theme
Season 8/2021 (21) 2nd Anniversary: Login Theme
Season 8/2021 (21) 2nd Anniversary: Main Theme
Season 8/2021 (21) 2nd Anniversary: Alt Theme
The Chinese version of the game features different music as found below.
Season 1 Track 1
Season 1 Track 2
Season 2 Track 1
Season 2 Track 2
These tracks were available in the night club during the Anniversary event in Season 11. Thanks to @Dishonored74782 for providing them!
Season 11 Club Music: The Beast Arrives
Season 11 Club Music: Parallel Vibes
Season 11 Club Music: No Mercy
Season 11 Club Music: Lost But Found