Problem: A musician left us a message. What’s it mean?

File: THE_FILE

Solution: There are geo coordinates. Each coordinate represents a letter.

(35.028309, 135.753082) = Kyoto, Japan
(46.469391, 30.740883) = Odesa, Ukraine
(39.758949, -84.191605) = Dayton, United States
(41.015137, 28.979530) = İstanbul, Turkey
(24.466667, 54.366669) = Abu Dhabi, United Arab Emirates
(3.140853, 101.693207) = Kuala Lumpur, Malaysia
_
(9.005401, 38.763611) = Addis Ababa, Ethiopia
(-3.989038, -79.203560) = Loja, Ecuador
(52.377956, 4.897070) = Amsterdam, Netherlands
(41.085651, -73.858467) = Sleepy Hollow, United States
(57.790001, -152.407227) = Kodiak, United States
(31.205753, 29.924526) = Alexandria Governorate, Egypt

Take the first letters KODIAK_ALASKA

Flag: picoCTF{KODIAK_ALASKA}