The melody of I Won’t Let Go by Rascal Flatts runs 382 notes across 58 bars, 3:38 long in A at 65 beats per minute. The tab sits almost entirely in the first two frets, one note at a time — no chords to barre and no strumming pattern to keep up with. A piano backing track plays the chords and bass underneath, so the line you are learning sounds like the record even at half speed.
Prefer to strum and sing it instead? I Won’t Let Go chords and lyrics.