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------------------------------- / OMB APPROVAL / ------------------------------- / OMB Number: 3235-0145 / / Expires: October 31, 2002 / / Estimated average burden / / hours per response ...14.90 / ------------------------------- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.__1___)* Radio One, Inc. ------------------------------------------------------------------------------ (Name of Issuer) Common Stock Class D ------------------------------------------------------------------------------- (Title of Class of Securities) 75040P405 ------------------------------ (CUSIP Number) Check the following box if a fee is being paid with this statement [_]. (A fee is not required only if the filing person: (1) has a previous statement on file reporting beneficial ownership of more than five percent of the class of securities described in Item 1; and (2) has filed no amendment subsequent thereto reporting beneficial ownership of five percent or less of such class.)(See Rule 13d-7). *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). SEC 1745 (10-88) ------------------------- ------------------ CUSIP NO. 75040P405 Page 2 of 5 Pages ------------------------- ------------------ ------------------------------------------------------------------------------ NAMES OF REPORTING PERSONS. 1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY). ARIEL CAPITAL MANAGEMENT, INC. # 36-3219058 - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) 2 (a) [_] Not Applicable (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 Illinois Corporation - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF Ariel - 3,498,982 SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 OWNED BY Ariel - 0 ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING Ariel - 3,874,982 PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 Ariel - 0 - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 Ariel - 3,874,982 - ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 Not Applicable - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11 Ariel - 3,874,982/76,156,212 = 5.088% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON *(SEE INSTRUCTIONS) 12 Ariel - IA - ------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILING OUT! * This report is being made on behalf of John W. Rogers, Jr., Chairman and Chief Executive Officer of Ariel Capital Management, Inc., who may be deemed to have beneficial ownership of the securities of the issuer. Mr. Rogers disclaims beneficial ownership of shares held by Ariel Capital Management, Inc. Date: 12/31/02 -------- Page 3 of 5 Item 1(a) Name of Issuer Radio One, Inc. --------------- Item 1(b) Address of Issuer's Principal Executive Offices 5900 Princess Garden Parkway, 7/th/ Flr., Lanham, MD 20706 ---------------------------------------------------------- Item 2(a) Name of Person Filing Ariel Capital Management, Inc. ------------------------------ Item 2(b) Address of Principal Business Office: 200 E. Randolph Drive, Suite 2900, Chicago, IL 60601 ---------------------------------------------------- Item 2(c) Citizenship: an Illinois corporation ----------------------- Item 2(d) Title of Class of Securities: Common Stock Class D -------------------- Item 2(e) CUSIP Number 75040P405 --------- Item 3. This statement is filed pursuant to 13d-1(b) or 13d-2(b) and the person filing is an investment adviser registered under section 203 of the Investment Advisers Act of 1940. Item 4. Ownership. (a) Amount beneficially owned: (See Page 2, No. 9) ------------------ Date: 12/31/02 -------- Page 4 of 5 (b) Percent of class: (See Page 2, No. 11) -------------------- (c) Number of shares as to which the person has: (i) Sole power to vote or to direct the vote (See Page 2, No. 5) ------------------- (ii) Shared power to vote or to direct the vote (See Page 2, No. 6) ------------------- (ii) Sole power to dispose or to direct the disposition of (See Page 2, No. 7) ------------------- (iii) Shared power to dispose or to direct the disposition of (See Page 2, No. 8) ------------------- Item 5. Ownership of Five Percent or Less of a Class. If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following: [_] Item 6. Ownership of More than Five Percent on Behalf of Another Person. All securities reported upon this Schedule are owned by investment advisory clients of Ariel Capital Management, Inc., no one of which to the knowledge of Ariel Capital Management, Inc. owns more than 5% of the class. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company. Not Applicable -------------- Item 8. Identification and Classification of Members of the Group. Not Applicable -------------- Item 9. Notice of Dissolution of a Group Not Applicable -------------- Date: 12/31/02 -------- Page 5 of 5 Item 10. Certification By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. SIGNATURE The undersigned hereby agree that this statement is being filed on behalf of each of them and hereby certify, after reasonable inquiry and to the best of their knowledge and belief, that the information set forth in this statement is true, complete and correct. ARIEL CAPITAL MANGEMENT, INC. By: /s/ John W. Rogers, Jr. ---------------------------------- John W. Rogers, Jr. Chief Investment Officer, Chief Executive Officer, And Chairman