Answer:
"effortless"
Explanation:
"less" is the suffix which negates "effort".
You're exerting strength and attempt when giving effort at a task and either don't have to (as in this case with playing the instrument) or don't when doing something effortlessly, thus the two have opposite connotations via the suffix.
Solid. Hope this helped.
BTW whats it with the pic?
Answer:
People who are addicted to their ear buds don’t care about other people.
Explanation:I hope I can help you :)