B-grooves is a term used in music production to refer to a specific type of drum groove or rhythm pattern that is commonly used in hip-hop, R&B, and other urban music genres. B-grooves typically feature a laid-back, syncopated feel with a strong emphasis on the backbeat. They are often characterized by a combination of swung or shuffled rhythms, intricate hi-hat patterns, and dynamic variations in drum fills and accents. B-grooves are an essential element in creating a smooth and groovy feel in urban music production.