this patch will disable/ignore all the bad notes in the band practice minigame and you will be able to get the Maestro achievement.
you can download this patch from this link[1drv.ms]

-to install the modification, replace the "Assembly-CSharp.dll" file in your
game's "Managed" folder.
C:\Program Files (x86)\Steam\steamapps\common\Night in the Woods\Night in the Woods_Data\Managed\Assembly-CSharp.dll

to uninstall the modification, use Steam's "Verify Integrity of Game Files"
functionality.
-From NITW's library page, select Manage > Properties.
-Select the Local files tab and click the "Verify integrity of game files..."
button.
-Steam will verify the game's files - this process may take several minutes.

https://gtm.steamproxy.vip/sharedfiles/filedetails/?id=1833253016

if you are stuck in some levels this could help you.
-Download and install Cheat Engine[www.cheatengine.org]
-Download this file from here[disk.yandex.ru] or from here[www.playground.ru]
-Open it up and click on the computer icon and find the NitW process, (Make sure the game is open and you're inside the minigame)
-Choose "Enable mono"
-Click Demontower and choose everything that you need.

this mode can help you to do all the hangouts and band practices without replaying game over and over again or maybe even visit some new places.

-Download this file[disk.yandex.ru]
-replace the "Assembly-CSharp.dll" file in your
game's "Managed" folder.
C:\Program Files (x86)\Steam\steamapps\common\Night in the Woods\Night in the Woods_Data\Managed\Assembly-CSharp.dll



you can also find all the keybinds on here[nightinthewoods-archive.fandom.com]

this tool will help you edit Night in the Woods dialogue.

-download the latest version from here[github.com]
-check if the path is correct on the "More" tab
-press the "Run Setup" button
-once the setup is complete press the "Enable File Watcher" button
-edit a .yarn.txt file in the "yarn files" folder
-start NITW and your edits should be there (to see changes NITW must be restarted)