"When The Blues Are Bad" by John Mayall & The Bluesbreakers is a song about the healing power of the blues music. The lyrics suggest that when we are feeling low due to various reasons like a cheating partner, lack of money, or people spreading rumors about us, we should turn to the blues for comfort. The song emphasizes that even when the blues are at their worst, they can still be good for us. The song also mentions the therapeutic value of music, especially the blues genre. The lyrics describe the rockin' pianos, guitar licks, and the rhythm of the song as a remedy for our aches and pains, both physical and emotional. The song urges the listener to put themselves in the singer's shoes and put faith in the blues to ease their worries and free their soul. Overall, "When The Blues Are Bad" is a song that celebrates the healing power of the blues and encourages listeners to seek comfort in music during tough times.