CERTIFICATE OF INCORPORATION

                                       OF

                           Radio One of Detroit, Inc.

                                  ARTICLE FIRST

                                   The name of the  corporation  is Radio One of
Detroit, Inc. (hereinafter called the "Corporation")

                                 ARTICLE SECOND

                                   The address of the  Corporation's  registered
office in the State of Delaware is 1013 Centre Road, Wilmington, Delaware 19805,
in the City of  Wilmington,  County of New  Castle.  The name of its  registered
agent at such address is Corporation Service Company.

                                  ARTICLE THIRD

                                   The nature of the  business or purposes to be
conducted  or  promoted  is to engage in any  lawful act or  activity  for which
corporations may be organized under the General  Corporation Law of the State of
Delaware.

                                 ARTICLE FOURTH

                                   The total number of shares of stock which the
Corporation  has  authority  to issue is one thousand  (1,000)  shares of Common
Stock, with a par value of $0.01 per share.



                                  ARTICLE FIFTH

                                   The  name  and  mailing  address  of the sole
incorporator are as follows:

                           NAME                       MAILING ADDRESS
                           --------------             --------------------------
                           Amy Gottesmann             c/o Kirkland & Ellis
                                                      655 Fifteenth Street, N.W.
                                                      11th Floor
                                                      Washington, D.C. 20005

                                  ARTICLE SIXTH

                  The Corporation is to have perpetual existence.

                                 ARTICLE SEVENTH

                                   In  furtherance  and not in limitation of the
powers  conferred  by statute,  the board of  directors  of the  Corporation  is
expressly authorized to make, alter or repeal the by-laws of the Corporation.

                                 ARTICLE EIGHTH

                                   Meetings of  stockholders  may be held within
or without the State of Delaware, as the by-laws of the Corporation may provide.
The books of the  Corporation  may be kept outside the State of Delaware at such
place or places as may be designated from time to time by the board of directors
or in the  by-laws of the  Corporation.  Election  of  directors  need not be by
written ballot unless the by-laws of the Corporation so provide.

                                  ARTICLE NINTH

                                   To  the  fullest  extent   permitted  by  the
General  Corporation  Law of the  State of  Delaware  as the same  exists or may
hereafter be amended,  a director of this Corporation shall not be liable to the
Corporation or its  stockholders  for monetary damages for a breach of fiduciary
duty as a director. Any repeal or modification of this



ARTICLE NINTH shall not  adversely  affect any right or protection of a director
of the Corporation existing at the time of such repeal or modification.

                                  ARTICLE TENTH

                                   The  Corporation  expressly  elects not to be
governed by Section 203 of the General Corporation Law of the State of Delaware.

                                ARTICLE ELEVENTH

                                   The Corporation  reserves the right to amend,
alter,  change  or  repeal  any  provision  contained  in  this  certificate  of
incorporation in the manner now or hereafter  prescribed  herein and by the laws
of the State of Delaware,  and all rights conferred upon stockholders herein are
granted subject to this reservation.

                                   I,   the   undersigned,    being   the   sole
incorporator  hereinbefore  named,  for the purpose of forming a corporation  in
pursuance of the General  Corporation Law of the State of Delaware,  do make and
file this  Certificate,  hereby  declaring and certifying  that the facts herein
stated are true,  and  accordingly  have  hereunto  set my hand this 29th day of
April, 1998.

                                                  ------------------------------
                                                  Sole Incorporator