kōyōkansense of heightened emotion

muimi na zangyōmeaningless overtime

wadai kara waki e sorete shimau“to wander away from the topic and off onto a tangent” → to stray off-topic

Sō iu kimochi wa warui ongaku o kiita ato no kandō ni hijō ni niteita.That feeling was exactly like the way I feel after listening to bad music.