Circa a half of the tunes were recognized already, but the rest remains a miracle.

https://0x0.st/-gNY.ogg

I believe, all of them are royalty-free already: classic, old musicals, folk, campfire & nursery songs and so.

· 00:02 — Big Ben

· 00:10 — für Elise

· 00:17 — "Please, open the door"

· 00:23 — Minuet in G Major

· 00:35 — Cancan

· 00:51 — Cats Musical — Memory

· 01:03 — My Old Kentucky Home

· 01:26 — ?

· 01:40 — "ٱلسَّلَامُ عَلَيْكُمْ"

· 01:46 — ?

· 01:55 — ?

· 02:09 — ?

· 02:20 — ?

· 02:30 — bird whistle

· 02:33 — Alle Vögel sind schon da

· 02:42 — ?

· 02:50 — Подмосковные вечера

· 03:01 — ?

· 03:18 — Johannes Brahms — Guten Abend, gut’ Nacht

· 03:32 — ?

· 03:46 — ?

· 03:58 — ?

· 04:20 — ?

· 04:33 — Happy birthday to you

· 04:44 — Old McDonald had a farm

· 05:06 — ?

· 05:18 — ABCDEFG, you are hiding far from me

· 05:28 — ?

· 05:33 — ?

· 05:49 — London bridge is falling down

· 06:02 — plain ding-dong

Please help.