Volunteering or similar work, like lending a hand at small local theater or sports events. Depending on the work they might involve some downtime when you can chat with others and get to know them.
Then again, you also write $5 but say it five dollars. The way something is said can be different from how it is written.
Many have said things that are more immersive sounds or almost soundscapes like rain on roof, but I have a clear favourite short and snappy sound and that is the sound of when a basketball goes clean through the hoop without touching the rim, the so called swish.
For some reason every once in a while a random Spanish show becomes insanely popular in Finland. Years back it was Los Serranos, a (soapy) comedy about a blended family, and now it’s La Promesa, a historical soap opera about wealthy family who owns a mansions and their servants.