If you are looking to recreate the sky-tracking text often seen in fan edits for songs like "Bigger Than the Whole Sky," you can use professional editing software or simpler mobile apps:
: For a still image, use Adobe Illustrator by drawing a wavy shape with the pencil tool over your text and applying "Envelope Distort > Make with Top Object" to give it a soft, floating appearance. What font is Taylor Swift's handwriting? - Facebook sky taylor
: In tools like DaVinci Resolve, you can film a clip of the sky, duplicate the layer, and use the Qualifier tool to select the sky background. Inverting this selection allows you to place a text layer "underneath" the sky, making it appear as if the text is floating behind clouds. If you are looking to recreate the sky-tracking