mp3splt -o out/1_1 1.mp3 0.0 5.10
mp3splt -o out/2_1 1.mp3 5.10 EOF
mp3splt -o out/2_5 5.mp3 0.0 34.16
ffmpeg -i "concat:out/2_1.mp3|2.mp3|3.mp3|4.mp3|out/2_5.mp3" -acodec copy out/2.mp3