"Three Little Birds" by Bob Marley & The Wailers is a song about finding peace, hope, and positivity in life despite the challenges and uncertainties we may face. The lyrics convey a message of reassurance and encouragement to not worry about the troubles because everything will eventually be alright.

The song begins by emphasizing the idea of not worrying about anything. It suggests that even though life can be overwhelming, it's important to have faith and trust in the process. The repetition of the line "No te preocupes por nada" (Don't worry about anything) reinforces the theme of letting go of anxieties and fears.

The chorus introduces the image of three little birds that come to the narrator's door every morning, symbolizing the presence of hope and joy. These birds sing sweet songs with pure and true melodies, representing positivity and inspiration. Their message is that everything will be alright, serving as a reminder to the listener to stay hopeful in difficult times.

Throughout the song, the repetition of the phrase "Porque cada pequeña cosa va a estar bien" (Because every little thing will be alright) highlights the central theme of the song. It serves as a mantra, encouraging the listener to keep a positive mindset and believe that things will work out in the end.

Overall, "Three Little Birds" is an uplifting and reassuring song that encourages listeners to let go of worries, stay hopeful, and embrace the belief that even in the face of adversity, everything will eventually be alright.