XotoPad VS Hookpad

I think I know what you are asking for. Searching finds me this. I have no experience with using this however, but maybe trial it: https://feelyoursound.com/xotopad/. Source: over 1 year ago

This Hookpad tool lets you do that. You can type in notes and syllables. The app will sync your syllables with the notes. Click "PLay" and you've got a song. It can even add backing instruments. The site also teaches theory so you could learn about things such as chords. When you do that, instead of simply adding (lyrics + notes), you can add (lyrics + notes + chords). And again when you click "Play," the app... Source: 12 months ago

As you do this more and more, you'll slowly start to be able to pick up longer phrases at once instead of single notes. Be sure to check back frequently against the playback!! Every couple of notes or so if not every note you add. This is made easier in certain tools like https://www.soundslice.com/ which combines transcription playback and notation tools into one interface. I think you can add a youtube link in... Source: about 1 year ago

Depends on what I'm writing. If it's a rock song, it's going to be written by physically playing my guitar. If it's something orchestral or electronic or whatever, I'll probably go straight to either my DAW or notation software, depending - something that can give me instant playback! It's not as immediate and physical as working with my instrument, but it lets me write for instruments I don't play or own. And... Source: about 1 year ago

If you have a vocal melody and lyrics in mind, you can see what it might sound like at least by using your computer keyboard and mouse drag and drop at https://hookpad.hooktheory.com/. There you can quickly type syllables and notes into a grid. Then click "Band" and the site will generate an instrumental accompaniment. Source: over 1 year ago

You can also see what happens if you type syllables into https://hookpad.hooktheory.com/. Source: over 1 year ago