What is the legal decision on a person who works as a musician supporting himself by preparing choruses and the like
It is not permissible for a Muslim to work as a musician and the earnings he gets from that are Haram (prohibited); rather a Muslim is encouraged to work and obtain Halal earnings. Therefore, it is not permissible to take music as a profession, for musical instruments are forbidden by the Book of Allah and the Sunnah of the Prophet. Allah (Exalted be He) says, (Part No. 26; Page No. 244)
And of mankind is he who purchases idle talks (i.e. music, singing, etc.) to mislead (men) from the Path of Allâh without knowledge, and takes it (the Path of Allâh, or the Verses of the Qur’ân) by way of mockery.
The scholars state that the word "idle talks " refers to musical instruments. The Prophet (peace be upon him) said,
Verily, among my Ummah (nation) there will be people who will deem as lawful: Zina (illicit sexual relations), silk (for men), Khamr (alcohol) and musical instruments.
This Hadith is
The Hadith states that musical instruments are Haram.May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.