Challenge: Just try to guess the country of a randomly picked song (WITHOUT LOOKING AT THE SCREEN)
More Nations, More Songs, And Better Parts Of The Songs
The countries are listed with the order of continents:
Europe–Eurasia–Asia–Africa–North America–South America–Oceania
Here are the songs and their nations:

0:00 France – Traditionell Musette
0:14 Italy – Tarantella Napoletana
0:33 Germany – Rosamunde Polka
0:47 United Kingdom – Rule Britannia
1:09 Switzerland – Der Appenzeller Jodler
1:29 Moldova – Dragostea Din Tei
1:48 Vatican City – Megalith Agnus Dei
2:10 Sweden – Rún
2:32 Norway – Stanford Brua
2:59 Finland – Säkkijärven Polkkaa
3:16 Poland – W Moim Ogródeczku
3:37 Serbia – Serbia Strong
3:55 Albania – Marshi I UÇK
4:16 Czechia – Dvorak Polka
4:33 Ireland – Drunken Sailer
4:49 Hungary – Hungarian Dance No.5
5:04 The Netherlands – Dutch Windmills
5:27 Greece – Mikis Theodorakis
5:48 Ukraine – Хай живе вільна Україна
6:05 Spain – Pregon Canastero Bulerias Del Piliya
6:20 Belgium – Stokkendans
6:35 European Union – Ode To Joy Sing-Along
6:57 Turkey – Selim Sesler & İdil Üner
7:13 Russia – Moskau
7:37 China – Red Sun In The Sky
7:58 Taiwan – Yi Jian Mei
8:19 Hong Kong – Hacken Lee Red Sun
8:35 Macao – Golden Beach 陳柏麟
8:57 Japan – Nippon Egao Hyakkei
9:16 South Korea – FIRE
9:36 North Korea – Korea Does What It's Determined To Do
9:57 Mongolia – In Praise Of Genghis Khan
10:18 India – Mundian To Bach Ke
10:38 Philippines – Anak
10:56 Vietnam – Ha Long Bay
11:14 Myanmar – Song A Kuk Ya Khut
11:33 Iran – Not Until You Return
11:51 Saudi Arabia – Bad Girls (Instrumental)
12:12 Israel – Hava Nagila
12:32 UAE – Longa & Samai Shahnaz
12:51 Singapore – Racial Harmony Day Celebrating Medley
13:08 South Africa – Waka Waka
13:31 Kenya – Nants Ingonyama Bagithi Baba
13:51 Somalia – Wellerman
14:11 Egypt – Osiris
14:31 United States – This Is America
14:55 Canada – Bear Hugger Theme
15:17 Mexico – Jarabe Tapatio
15:39 Cuba – Guantanamera
15:57 Jamaica – One Love
16:22 Greenland – Nunanga Aa Nunarsuup Avannaani
16:42 Brazil – Samba De Janeiro
16:59 Argentina – El Tango De Roxanne
17:19 Uruguay – El Beso Que Te Di
17:43 Colombia – La Salsa Llegó
18:01 Australia – Tribal War Didgeridoo
18:21 Palau – Malihini Mele
18:43 Papua New Guinea – PNG Traditional Music
19:02 Fiji – Isa Lei
19:19 Don't mind me I'm an outro

This took me a lot of time