Buying songs on iTunes can be expensive, but there are ways to get songs for free. One way is to sign up for a free trial of Apple Music. This will give you access to millions of songs that you can download and listen to for free. Another way to get free songs is to use a service like Spotify or Pandora. These services offer free streaming of millions of songs, and you can also create playlists and listen to songs offline.
There are also a number of websites that offer free downloads of songs. However, it is important to be aware that some of these websites may contain malware or viruses. It is important to only download songs from trusted websites.