Perfect pitch is by no means a requirement for musicians, although it is more common than in the general population, even more so for conductors. But intonatio

Perfect pitch is by no means a requirement for musicians, although it is more common than in the general population, even more so for conductors. But intonation is equally easy/hard for absolute and relative ears. Some tasks, like transposition, can require more practice for people with perfect pitch. Source: lived experience from my doctorate in music from Sibelius Academy, Helsinki.