<SEC-DOCUMENT>0001209191-20-062814.txt : 20201210
<SEC-HEADER>0001209191-20-062814.hdr.sgml : 20201210
<ACCEPTANCE-DATETIME>20201210210030
ACCESSION NUMBER:		0001209191-20-062814
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201208
FILED AS OF DATE:		20201210
DATE AS OF CHANGE:		20201210

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Cooper Stephen Forbes
		CENTRAL INDEX KEY:			0001335032

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32502
		FILM NUMBER:		201382004

	MAIL ADDRESS:	
		STREET 1:		KROLL ZOLFO COOPER LLC
		STREET 2:		101 EISENHOWER PARKWAY, 3RD FLOOR
		CITY:			ROSELAND
		STATE:			NJ
		ZIP:			07068

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Warner Music Group Corp.
		CENTRAL INDEX KEY:			0001319161
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-AMUSEMENT & RECREATION SERVICES [7900]
		IRS NUMBER:				134271875
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		1633 BROADWAY
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212-275-2000

	MAIL ADDRESS:	
		STREET 1:		1633 BROADWAY
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WMG Parent Corp.
		DATE OF NAME CHANGE:	20050228
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-12-08</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001319161</issuerCik>
        <issuerName>Warner Music Group Corp.</issuerName>
        <issuerTradingSymbol>WMG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001335032</rptOwnerCik>
            <rptOwnerName>Cooper Stephen Forbes</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WARNER MUSIC GROUP CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>1633 BROADWAY</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-12-08</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>557000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>31.04</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4803864</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7048933</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By grantor retained annuity trust</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes shares of the Issuer's Class A Common Stock received in settlement of the reporting person's vested Deferred Equity Units issued under the Second Amended and Restated Warner Music Group Corp. Senior Management Free Cash Flow Plan.</footnote>
        <footnote id="F2">Includes shares of the Issuer's Class A Common Stock that converted from shares of the Issuer's Class B Common Stock previously held by WMG Management Holdings, LLC, (&quot;Management LLC&quot;) represented by Class A Units and Class B Units of Management LLC held directly and in trust by the reporting person, which units in Management LLC were redeemed from the reporting person on December 2, 2020 in exchange for shares of the Issuer's Class A Common Stock pursuant to the terms of the Second Amended and Restated Limited Liability Company Agreement of Management LLC.</footnote>
        <footnote id="F3">Held by two grantor retained annuity trusts.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/</signatureName>
        <signatureDate>2020-12-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
