"Common Law Wife" is a song

Song

In music, a song is a composition for voice or voices, performed by singing.A song may be accompanied by musical instruments, or it may be unaccompanied, as in the case of a cappella songs...

 by the funk

Funk

Funk is a music genre that originated in the mid-late 1960s when African American musicians blended soul music, jazz and R&B into a rhythmic, danceable new form of music. Funk de-emphasizes melody and harmony and brings a strong rhythmic groove of electric bass and drums to the foreground...

 band Parliament

Parliament (band)

Parliament was a funk band most prominent during the 1970s. It and its sister act Funkadelic, both led by George Clinton, began the funk music culture of that decade.-History:...

. Recorded in 1972, it was released as a bonus track

Bonus track

In terms of recorded music, a bonus track is a piece of music which has been included on specific releases or reissues of an album. This is most often done as a promotional device, either as an incentive to customers to purchase albums they might otherwise not, or to repurchase albums they already...

 on the 2003 reissue

Reissue

A reissue is the repeated issue of a published work. In common usage, it refers to an album which has been released at least once before and is released again, sometimes with alterations or additions....

 of the album Chocolate City. The song's lyrics

Lyrics

Lyrics are a set of words that make up a song. The writer of lyrics is a lyricist or lyrist. The meaning of lyrics can either be explicit or implicit. Some lyrics are abstract, almost unintelligible, and, in such cases, their explication emphasizes form, articulation, meter, and symmetry of...

 discuss a relationship recognised by the state

State (polity)

A state is an organized political community, living under a government. States may be sovereign and may enjoy a monopoly on the legal initiation of force and are not dependent on, or subject to any other power or state. Many states are federated states which participate in a federal union...

 but not officiated by a religious order

Religious order

A religious order is a lineage of communities and organizations of people who live in some way set apart from society in accordance with their specific religious devotion, usually characterized by the principles of its founder's religious practice. The order is composed of initiates and, in some...

.

The context of the album is discussion of life and politics in Washington D.C., USA, and so it may be presumed that the relationship in question is one recognised under laws within the USA.

"Common Law Wife" was also recorded by a female artist named Flo. Her version is featured on the George Clinton

George Clinton (funk musician)

George Clinton is an American singer, songwriter, bandleader, and music producer and the principal architect of P-Funk. He was the mastermind of the bands Parliament and Funkadelic during the 1970s and early 1980s, and launched a solo career in 1981. He has been cited as one of the foremost...

 Family Series CD Plush Funk

Plush Funk

Plush Funk is the second installment of the George Clinton Family Series collection. The album was released in 1992 by P-Vine Records in Japan, and then was released the next year by AEM Records in the U.S. and Sequel Records in the U.K....

, which was released in 1992.