transcript << https://www.elevate-english.com/transcript-blue-moon/ >> Have you ever heard someone use the expression "Once in a Blue Moon"? Today I'll explain the meaning and history behind this idiomatic expression. -- Listen to Van Morrison's song "Once in a Blue Moon" on YouTube: << https://www.youtube.com/watch?v=ipJWpdYDET8 >> Podcast music: "Upbeat Party" by Scott Holmes Music