Here's the 13 songs from 2021 that appeared in the 2026 countdown:
GLOW

BLACKOUT

TURNSTILE

GLOW ON 2021 2:53
2026: 891 2025: 547 2024: 410 2023: 49 Average: 474
DEATH

DEATH BY ROCK AND ROLL

THE PRETTY RECKLESS

DEATH BY ROCK AND ROLL 2021 3:54
2026: 1543 2025: 580 2024: 1014 2023: 1473 2022: 1636 2021: 226 Average: 1079
GLOW

FLY AGAIN

TURNSTILE

GLOW ON 2021 2:31
2026: 1119 2025: 605 2024: 691 2023: 472 2022: 667 Average: 711
GLOW

HOLIDAY

TURNSTILE

GLOW ON 2021 2:52
2026: 1003 2025: 1052 2024: 1165 2023: 1611 2021: 1614 Average: 1289
TRUE

I GOT YOU

SHIHAD

TRUE COLOURS, NEW COLOURS – THE SONGS OF SPLIT ENZ 2021 3:52
2026: 1359 2025: 1019 2024: 879 2023: 809 2022: 1038 2021: 77 Average: 864
SINGLE

L-OVER

KORA

SINGLE ONLY 2021 3:59
2026: 1177 2025: 847 2024: 972 2023: 675 2022: 783 2021: 325 Average: 796
LEMONADE

LEMONADE HAND GRENADE

MIDWAVE BREAKS

LEMONADE HAND GRENADE EP 2021 3:33
2026: 1790 2025: 936 2024: 926 2023: 807 2022: 1856 2021: 510 Average: 1138
MAMA

MAMA, I'M COMING HOME

JOEL SHADBOLT

MAMA I'M COMING HOME 2021 2:41
2026: 1228 2025: 427 2024: 841 2023: 603 2022: 1439 2021: 260 Average: 800
MEDICINE

NO SON OF MINE

FOO FIGHTERS

MEDICINE AT MIDNIGHT 2021 3:28
2026: 1835 2025: 1920 2024: 875 2023: 1280 2022: 732 2021: 591 Average: 1206
DEATH

ONLY LOVE CAN SAVE ME NOW

THE PRETTY RECKLESS

DEATH BY ROCK AND ROLL 2021 5:12
2026: 1929 2025: 1608 2024: 1444 2021: 1580 Average: 1640
SPACE

SPACE BOOGIE

RACING

SPACE BOOGIE 2021 3:57
2026: 1731 2025: 1724 2024: 1794 2023: 1723 2022: 1036 2021: 936 Average: 1491
WHEN

THE BANDIT

KINGS OF LEON

WHEN YOU SEE YOURSELF 2021 4:10
2026: 1419 2025: 1527 2024: 1070 2023: 1076 2022: 683 2021: 157 Average: 989
MEDICINE

WAITING ON A WAR

FOO FIGHTERS

MEDICINE AT MIDNIGHT 2021 4:13
2026: 1455 2025: 956 2024: 975 2023: 624 2022: 850 2021: 129 Average: 832