Every bow needs a bit of decrescendo. The best way to practise this is by playing wind sounds. By moving your lower lip forward you gradually go from regular sound to wind sound. An excellent workout for practising decrescendo.
Flute Colors arrangements
Sheet music with extended techniques for flute
Here you can buy and download sheet music of arrangements with extended techniques for flute.
Variations on well know flute exercises, traditional songs, but also modern pop songs. From Drouet and Bach to Justin Bieber and Bruno Mars. Have fun with extended techniques for flute!