diff --git a/nontech/history/people/neon.txt b/nontech/history/people/neon.txt
index 4ee116e4e..078a30a36 100644
--- a/nontech/history/people/neon.txt
+++ b/nontech/history/people/neon.txt
@@ -7,7 +7,7 @@ https://www.youtube.com/channel/UCXs32aetFB73hjMYBnr3sPw
 https://vk.com/neon_illusion
 
 2023
-NeonIllusion - Abver History 9:00 of 1:29:05
+NeonIllusion - Abver History 15:00 of 1:29:05
     https://www.youtube.com/watch?v=An6GCNyZAwY
     Versalle Republic (Veimar)
     3B Upravlenie Vneshney/Vnutrenney Razvedki and Contrrazvedki
diff --git a/nontech/song/ru/instrumental/arhipovskiy.txt b/nontech/song/ru/instrumental/arhipovskiy.txt
new file mode 100644
index 000000000..ee298bed9
--- /dev/null
+++ b/nontech/song/ru/instrumental/arhipovskiy.txt
@@ -0,0 +1,11 @@
+2016
+Arhipovskiy - Concert 0:00 of 1:13:35
+    https://www.youtube.com/watch?v=xIUs0laN5AE
+2013
+Arhipovskiy - 3 Shedevers of 6:45
+    https://www.youtube.com/watch?v=QShyvWocloQ
+
+interview
+https://www.youtube.com/watch?v=fxlgA-IGgDQ
+https://www.youtube.com/watch?v=HhcMy6OIub4
+https://www.youtube.com/watch?v=0mPQZsne5PI
diff --git a/nontech/song/ru/opera/hvorostovskiy.txt b/nontech/song/ru/opera/hvorostovskiy.txt
new file mode 100644
index 000000000..0e56094ce
--- /dev/null
+++ b/nontech/song/ru/opera/hvorostovskiy.txt
@@ -0,0 +1,3 @@
+2018
+Quatro - Hvorostovskiy - Adagio of 4:22
+    https://www.youtube.com/watch?v=iEvsEmL3jek
diff --git a/os/linux/nixos/tools/home/home-manager/docs/presentations.txt b/os/linux/nixos/tools/home/home-manager/docs/presentations.txt
index 654a9e572..c18625b91 100644
--- a/os/linux/nixos/tools/home/home-manager/docs/presentations.txt
+++ b/os/linux/nixos/tools/home/home-manager/docs/presentations.txt
@@ -1,4 +1,6 @@
 2023
+Vimjoyer - Custom NIX Home-Manager Modules For Personalized Setup of 5:35
+    https://www.youtube.com/watch?v=EUiXzX7nthY
 LiYang - NixOS Introduction - Home manager of 16:14
     https://www.youtube.com/watch?v=C5eAecVeO_c
     https://tech.aufomm.com/my-nixos-journey-home-manager/
diff --git a/os/unix/network/utils/iproute2/docs/cheatsheets.txt b/os/unix/network/utils/iproute2/docs/cheatsheets.txt
new file mode 100644
index 000000000..88857b0a2
--- /dev/null
+++ b/os/unix/network/utils/iproute2/docs/cheatsheets.txt
@@ -0,0 +1 @@
+https://baturin.org/docs/iproute2/
diff --git a/pl/cross/tools/ide/jetbrains/idea/features/refactoring/presentations.txt b/pl/cross/tools/ide/jetbrains/idea/features/refactoring/presentations.txt
new file mode 100644
index 000000000..d4a6c8eeb
--- /dev/null
+++ b/pl/cross/tools/ide/jetbrains/idea/features/refactoring/presentations.txt
@@ -0,0 +1,3 @@
+2021
+JPoint - Kozlova - Valeev - Multistep Refactorings of 1:10:33
+    https://www.youtube.com/watch?v=tmv_Grdbog4