def solution(new_song, exist_songs):
    answer = []
    umegae = {
        'C':0,
        'c':1,
        'D':2,
        'd':3,
        'E':4,
        'F':5,
        'f':6,
        'G':7,
        'g':8,
        'A':9,
        'a':10,
        'B':11,
        'b':12
    }

    def umgae_to_integer(arr, target):
        new_arr = []
        diffumgae = []
        temp = 0
        prev = -1
        for i in range(len(arr)):
            if (i % 2 == 0):
                temp += umegae[arr[i]]
            else:
                temp += (int(arr[i]) - int('0')) * 13

                if (prev != temp):
                    new_arr.append(temp)
                prev = temp
                temp = -1
        for i in range(1, len(new_arr)):
            diffumgae.append(new_arr[i]-new_arr[i-1])
        target.append(diffumgae)

    song_list = []
    umgae_to_integer(new_song, song_list)
    for t in exist_songs:
        umgae_to_integer(t, song_list)

    for i in range(1,len(song_list)):
        correspond_length = 0
        overlap_length = 0
        for j in range(len(song_list[0])):
            for k in range(len(song_list[i])):
                if (song_list[0][j] == song_list[i][k]):
                    overlap_length += 1
                else:
                    break
            if (overlap_length >= 10):
                correspond_length += overlap_length
        if (correspond_length >= int(0.7 * len(song_list[0]))):
            answer.append(True)
        else:
            answer.append(False)

    return answer