The musical Establishment think he is a musical genius.

音乐界权威人士认为音乐天才。

Andrew describes him as respected and authoritative in the outside world but passive, unpredictable and rageful at home.

根据的描述，父亲在外界位受人尊重的权威人士，但在家里消极被，情绪多变，甚至时常暴怒。