Writing a song on guitar is a creative and rewarding process that can improve your musical skills and express your emotions. Of course, it takes some practice and knowledge to write a good song, but you can start with some basic steps and tips that I will share with you: tunnel rush

First, you need to decide on the genre and style of your song. 

Second, you need to select some chords that sound good together and form the basis of your song. 

Third, you need to find a melody that fits your chords and conveys the mood and message of your song. 

Fourth, you need to write some lyrics that match your melody and tell a story or express an idea.

Fifth, you need to arrange your song into a structure that has a clear beginning, middle, and end. 

Sixth, you need to record your song and listen to it. 

Finally, you need to share your song with others and get some feedback.