Song Meaning
These lyrics don't just describe sadness; they define a new, deeper kind. The speaker challenges the listener, asserting "you ain't been blue" until you've felt "mood indigo." It's a specific, overwhelming melancholy that transcends everyday blues, a feeling so profound it demands its own name.
The core tension lies in distinguishing ordinary sadness from this profound "mood indigo." The repeated assertion, "But not until you have been blue indigo," establishes a hierarchy of emotional experience. It suggests a state so consuming it redefines what it means to be truly down, a feeling that permeates "all down to my shoes" and leads the speaker to "sit and cry."
The choice of "indigo" itself is key, suggesting a deep, almost regal shade of blue that implies a profound, perhaps even spiritual, depth to this sorrow. The physical manifestation, "all down to my shoes," grounds this abstract feeling in a visceral experience. Crucially, the mention of "Trummy blowing it pretty bad" and the repeated "(Scat singing)" imply that this specific "mood indigo" is best expressed not just through words, but through raw, unadulterated musicality—a sound that perfectly matches the intensity of the feeling.
Ultimately, these lyrics are effective because they make the ineffable feel tangible. By directly addressing the listener and then grounding the abstract "mood indigo" in the speaker's own "sitting and crying," the text creates a shared, yet intensely personal, emotional space. It suggests that some feelings are so deep, so consuming, that they require a language beyond mere words, a language that music, perhaps, can uniquely provide.