im trying to do a music quiz and i keep getting this error : 

    def MusicGame():
    score=0
    tries = 0
    with open("songs.txt") as file:
        for line in file.readlines():
            artist,name=line.split(" - ", 1)
            question=(artist + "- " + " ".join([x[0].upper() for x in name.split()])+": ")
            answer=input(question)

            if tries != 2:
                if answer in ["STOOPID","Funky Friday","dark knight dummo","natural disaster","gucci gang"]:
                    print("well done")
                    tries=0
                    score=score+3

                elif answer not in ["STOOPID","Funky Friday","dark knight dummo","natural disaster","gucci gang"]:
                        answer2=input("it was wrong try again")

                        if answer in ["STOOPID","Funky Friday","dark knight dummo","natural disaster","gucci gang"]:
                            print("well done+1")
                            tries=tries+1
                            score=score+1
                        elif answer2 not in ["STOOPID","Funky Friday","dark knight dummo","natural disaster","gucci gang"]:
                            print("you suck you lost")
                            break 

i keep getting this error     artist,name=line.split(" - ", 1)
ValueError: need more than 1 value to unpack

