Up through and including Lincoln, American politicians nursed a fantasy of repatriating blacks to Africa.

The basic success of the conga came from ...that basic principle of African music and dance: everybody participates. The conga eradicated the distinction between performer and audience, broke down the wall of the proscenium.

New Orleans is of such key importance to American music because historical factors combined to make it the strongest center of African musical practice in the United States, and, cliches aside, that practice really did travel up the Mississippi and did spread overland.

A second line is in effect a civil rights demonstration. Literally, demonstrating the civil right of the community to assemble in the street for peaceful purposes. Or, more simply, demonstrating the civil right of the community to exist.

Chano Pozo created the role of the conga soloist in the modern band, somewhat th way Coleman Hawkins created the solo tenor sax.

In 1942 Cachao wrote a tune for Arcao, 'Rareza de Melitn,' with a memorable catchy tumbao. In 1957 Arcao recorded a reworking of it under the name 'Chanchullo'; and in 1962 Tito Puente reworked that into 'Oye como va,' still with that same groove. In this form, audibly the same, it powered Carlos Santana's multiplatinum 1970 cover version, close to three decades after Cachao first played it.

Like slaves on the sugar plantations of the Antilles, ...the sugar slaves of southern Louisiana had negative birthrates for as long as slavery lasted.