case the company OF musician in London against green or the chamberlain OF  London debt upon a bylaw for exercise a trade c the defendant be a musician  which be a science a bylaw be make in London that no person but a freeman of  that city shall exercise any trade or art therein under such a penalty Mr  green not be free of the city of London play as musician at several city  entertainment particular at the feast of the son of the clergy for which he be  sue in the sheriff court in London for use the trade of a musician not be free  of the city which cause be remove into this court by habeas corpus it be  insist for he that he be a musician and attend with other master in music at  the feast of clergyman son be employ by the steward of the say feast and  because they do not likewise employ the city musician therefore they set up  this prosecution against the defendant and will now extend this bylaw to music  which be a science and not a trade and if this shall be allow they may extend  it to lawyer who be not freeman and who attend the court there for the law be  a science and so be music beside it be improper to have the bylaw of London  try in any of the court of London the argue of a lawyer be windmusic and no  handicraft trade it be argue for the plaintiff that a procedendo shall be  grant for that the commitment be good and so be the bylaw and that this court  can try whether the case of the defendant green be within this bylaw or not  because it be triable only in London where the plaintiff must declare in a  proper court and on a special custom to make bylaw for otherwise all such law  may be controvert in this court the counsel for the defendant say that the  plaintiff counsel have touch very light upon the string for that the  profession of music be not within this bylaw which extend only to handicraft  trade and that music be not a trade but a science in which science degree be  take in all the university in Europe the court let there be a consultation it  be not proper to determine this question upon motion the custom of London be  always try in their own court but if the judge refuse upon request to let the  fact be state special we will set aside the verdict modern report and  therefore a procedendo be grant but with this direction that the plaintiff  shall admit the matter to be find special at the trial otherwise the court  will not grant another procedendo in the like case the cause be afterward try  in London and at the trial a difference be take between exercise such  handicraft for lucre and gain which be the defendant case and exercise they  for diversion and amusement and that the one be within the bylaw and the other  not and thereupon the plaintiff have a verdict and judgement and afterward the  defendant take up his freedom and acquiesce