Why imported music often needs EQ
Different tracks are mastered differently. Some sound thin, some muddy, and some overly bright. Headphones and speakers also color the playback, so the same file may need a different balance depending on where you listen.
Work from low to high
Low frequencies control weight and warmth. Midrange affects instrument presence and vocals. High frequencies shape sparkle and air. Moving through the spectrum in that order helps you isolate what actually needs attention.
Change one thing at a time
If you move multiple bands together, it becomes hard to know what improved the sound and what made it worse. One small change followed by a comparison is slower, but much more reliable.
Use presets as a starting point, not a final answer
Genre presets can get you close, but they do not know your exact file, headphone response, or listening goal. If a preset exaggerates bass, harshness, or vocal recess, switch back to manual control and refine it.
Best listening check
Loop a section that includes bass, vocals, and bright detail. If the change only helps one part but hurts the rest of the track, the setting is probably too extreme.