Contextual Analysis of "lonesome whistle" in Lyrics

i heard that lonesome whistle blow

i heard that lonesome whistle blow

headin' south from caroline. i heard that lonesome whistle blow. got in trouble

i heard that lonesome whistle blow

i heard that lonesome whistle blow

he heard that long lonesome whistle blow

he heard that long lonesome whistle blow

last night is still ringing in my head like that lonesome whistle in the rain

hear that lonesome whistle whine smell that perfume of georgia pines

hear that lonesome whistle whine smell that perfume of georgia pines

except when you hear that midnight lonesome whistle whine

except when you hear that midnight lonesome whistle whine