however, in the spring of 1965, the los angeles-based band, the byrds, was dominating the uk singles chart with their folk-rock version of bob dylan's "mr. tambourine man", released by the newly formed british cbs records. when the byrds arrived in england for their first british tour that summer, the birds' manager, leo de clerck, took legal action to prevent them from using the name; the action failed, amid a flurry of national press and television coverage. the group parted ways with de clerck soon afterwards.