You sit, transfixed. A dream unfolds before your waking eyes. This is so-called daydreaming or reverie, the release of focus and care. Feelings recalled from childhood flood your consciousness, and for a few moments, the real and imagined worlds are one and the same.
https://ks15.imslp.org/files/imglnks/usimg/c/cf/IMSLP169380-PMLP02799-Schumann_-_Träumerei.mp3