Ask ten listeners to describe jazz and you may receive ten different answers. One hears the bright velocity of bebop. Another thinks of a singer leaning gently behind the beat. Someone else points to electric fusion, a brass band in the street, or an improvised passage that seems to suspend time.

Radio is especially good at holding those answers together. A specialized station can spend hours inside one tradition, giving it the space that a general playlist rarely provides. Another may move across decades, showing how musicians borrow, answer, and argue with the records that came before them.

Geography adds another layer. Jazz took shape through movement—between neighborhoods, cities, countries, and generations. Today a listener can hear how broadcasters in Paris, Tokyo, Cape Town, Chicago, or Rio de Janeiro frame the music. The records may overlap, but the surrounding voices and selections create different rooms.

That is why a label such as ‘jazz’ should be treated as a doorway, not a box. Try vocal jazz and hard bop. Compare a guitar-focused station with one devoted to the avant-garde. Notice not only which performances appeal to you, but how the sequence changes the way you hear them.

SignallyRadio cannot define jazz, and it should not try. It can offer many addresses where the conversation continues. The listener’s pleasure is to visit, stay awhile, and discover that the music is always larger than the name on the category.