50首怀旧经典老歌哪些是免费听的？ - A question that many nostalgic music lovers might ask. Here are some of the classic oldies that you can listen to for free.

1. "Yesterday Once More" by The Carpenters - This classic tune takes you back to the 70s with its beautiful lyrics and melodic tune.

2. "Hotel California" by The Eagles - A rock ballad that became an instant hit in the 70s, this song will take you on a ride with its haunting melodies and lyrics.

3. "Dancing Queen" by ABBA - A disco classic that everyone loves to dance to, this song will make you want to put on your dancing shoes and hit the dance floor.

4. "Bohemian Rhapsody" by Queen - One of the most iconic songs in music history, this song features an opera-like structure with its unforgettable harmonies and melodies.

5. "My Heart Will Go On" by Celine Dion - The theme song from the movie "Titanic", this song will make you feel all the emotions of the movie with its beautiful lyrics and haunting melody.

These are just a few of the nostalgic songs that you can listen to for free. Other classics include "Imagine" by John Lennon, "We Are The World" by USA for Africa, "Total Eclipse of the Heart" by Bonnie Tyler, "I Will Always Love You" by Whitney Houston, and "Billie Jean" by Michael Jackson.

Whether you're feeling nostalgic or just looking for some good music to listen to, these classic oldies are sure to please. So kick back, relax, and enjoy the sounds of a bygone era.