What is the major instrument of the song that lasts 4:32? 
CREATE TABLE "song_list" (
  "date" text,
  "album_name" text,
  "track" text,
  "track_title" text,
  "lyricist" text,
  "music_genre_style" text,
  "major_instrument_s" text,
  "lyrics_theme_style" text,
  "duration" text
);
SELECT "major_instrument_s" FROM "song_list" WHERE "duration"='4:32';