昭和の歌謡曲
https://www.youtube.com/watch?v=8V5Zve1syLw&list=RD8V5Zve1syLw&index=1
https://www.youtube.com/watch?v=i_Ny7hOeGxw&list=PLBB648DC257C2CB50
https://www.youtube.com/watch?v=nr-yZN7u7Sw&list=PL60zHZEWBZn6jtlTcECC0qpEu1pvil0Gb
https://www.youtube.com/watch?v=dYzRSWSYBdM&list=PLFFA414C3D28A0AF5