The Taliban turned towards the use of improvised explosive devices. His keyboard parts are often improvised and inspired by jazz. The actors partly improvised their dialogue. They were also useful as improvised weapons. Several scenes were improvised by the actors on set. Knopfler has improvised and expanded the solo during live performances. The songs on the disc were completely improvised. Both actors improvised much of the scene. Hetfield improvised the riff while relaxing in London. It started out as an online series of largely improvised scenes. The film drew attention for being almost entirely improvised. The actors sometimes improvised some additional lines, but mostly remained faithful to the script. Most of the dialogue was improvised on set. For Stadium Arcadium, almost every guitar solo was completely improvised by Frusciante on the spot. Fengler and the cast then improvised the dialogue.