This part is traduced with a Google traductor because i was lazy to write all down again XD, srry if there some nonsense there:

(Phase 1 Megalomania is already taken by someone, you can choose the other ones!)

Well I come to tell you that as some already know, I'm doing a take of Undertale Last Breath and well I wanted to come to say if you would like to help me with music, only if you want to help you send me a DM or I don't know, tell me here XD

Well here's an idea of ​​how they would be:

OST 001 - Once Upon A Time:

It's will be a theme near to the Once Upon A Time of Undertale but with a twist, the theme will need to go as the intro progresses (that is in the story part I put), you can make it like you want!

OST 002 - Menu and OST 003 - Menu (Endgame):

It would be something that combines how laid-back It's Raining Somewhere Else is and how upbeat Your Best Friend and Megalovania are. It would have the style of It's Raining Somewhere Else.

And there will be an Endgame menu theme, this could be good because you will be back at the menu when the credits are gone.

OST 05 - Determination... (Game Over Theme):

You'll have the freedom to make it as you want.

OST 06 - Nye heh heh?

A different version of Ney heh heh, you can make it like you want.

OST 08 - A truly Trousle!

A battle theme for Papyrus and you can make it like you want, like a Megalo or if it is a genocide alternative for Bonetrusle, in the middle iwll be a Snowdin Town part.

OST 11 - Power Of NEO.

This is for a battle for Mettaton NEO I have in mind, make it like you want but that follows the original Power Of NEO.

OST 13 - Phase 1: Megalomania.

It would be a cover of Megalovania but whoever does it adds things to their liking, this one will also have Megalovania from EarthBound and HomeStruck.

OST 14 -Phase 1.5: There's Still Hopes And...

This would have EarthBound Halloween Hack OST - The Id as the main melody, Toby's famous track that was used in DustTrust, but here it would be accompanied by Your Best Friend and STMPWYFS. Perhaps The Id is faster than the original or the same, this would be to the freedom of the one who does it.

OST 15 -Phase 2: The SANS-national Help.

This will have the main Leitmofit from The Id, Small Shock, You Best Friend (If the one who wants to do it wants to add more with a Flowey theme, that's fine), Megalovania and STMPWYFS, and this would be an original Megalo, and Snowdin Town in the middle or othe part.

OST 16 - Your Best Friend! Right?

This will play after the final attack and Flowey grabs Sans only to the crash the game.

OST 18 - Phase 3: Osedax

This would be like Your Worst Nightmare, this would have the theme of Omega Flowey (or Photoshop Flowey, then there are people who get angry if I don't say that), and in this the human souls seeing the true purpose of Flowey, would help him and the souls they would act more aggressive against Frisk and they would not heal him, in this Flowey he also has Sans but he is controlling him since he received a blow and is turning to dust, after the soul of justice there would be a space for the soul of sans and when it's over his part would sound the attack sound and the serious damage sound.

OST 19 - Phase 3.5: A True Finale.

This would start with the sound of a monster dying (it is obvious who dies), this part would focus on the death of sans to distract the player thinking that he won by playing credits music (If I do an OST, if this can be done, they would come out) , then it would sound like the credits are breaking just for Flowey to come out and start the part that would be the Finale of undertale but well, the better xd, and about halfway Hopes and Dreams would sound along with Finale and almost at the end it would sound Save The World (Indicating what Flowey wants to do) so that later it would sound like Frisk's soul is grabbed by Photoshop and Flowey would finish and absorb it and finish the melody with a combination of Finale and His theme.

OST 20 - Last Goodbye.

This will be the credits and you can combine Last goodbye with different undertale themes, you have the freedom to make it as you like.