- my_draw_text("Song", buf, 12.0, 70, 100);
- my_draw_text("Frequency", buf, 12.0, 710, 100);
+ my_draw_text("Song", buf, 12.0, "columnheading", SONG_X, 100);
+ width = my_draw_text("Frequency", NULL, 12.0, "columnheading");
+ my_draw_text("Frequency", buf, 12.0, "columnheading", FREQUENCY_X - width/2, 100);