Neil Kevin Hennessy is a musician

Musician

A musician is an artist who plays a musical instrument. It may or may not be the person's profession. Musicians can be classified by their roles in performing music and writing music.Also....* A person who makes music a profession....

 and music producer/engineer from Chicago, Illinois.

Hennessy currently plays in The Lawrence Arms

The Lawrence Arms

The Lawrence Arms are an American punk rock band from Chicago, Illinois, formed in 1999. They have released five full-length albums and toured extensively.-Pre-history:...

, Colossal

Colossal (band)

Colossal was an indie-punk band from Elgin, Illinois. Formed in 2001, they are currently on hiatus. They have one EP and one full-length, and have appeared on multiple compilations...

, The Falcon

The Falcon (band)

The Falcon is a Chicago-based punk rock supergroup. The band features The Lawrence Arms members Brendan Kelly and Neil Hennessy on drums, as well as Alkaline Trio's Dan Andriano...

, The Smoking Popes

Smoking Popes

The Smoking Popes are an American pop punk from the northwest suburbs of Chicago, Illinois, formed in 1991. They play punk-influenced pop music with crooning vocals...

 and Demon Beach. He has also been a member of Noise By Numbers

Noise By Numbers

Noise By Numbers is pop punk band featuring Dan Schafer and Jeff Dean...

, Baxter

Baxter (punk band)

Baxter was a Chicago post-hardcore band. The band consisted of Tim McIlrath , Neil Hennessy, , Timothy Remis, and a bassist only referred to as J...

, The Killing Tree

The Killing Tree

The Killing Tree was a post-hardcore band from Chicago, Illinois. They were another band of Tim McIlrath , and also contain a former guitarist from Rise Against, Todd Mohney....

, and Quattro.

Hennessy works at Atlas Studios in Chicago with Matt Allison

Matt Allison

Matt Allison is a record producer from Chicago, Illinois. He is also the owner of the Chicago recording studio, Atlas.- Production discography :* Broken Star - The Broadways * Capture the Moment - Spitalfield...

. He co-wrote the Rise Against

Rise Against

Rise Against is an American punk rock band from Chicago, Illinois, formed in 1999. The band currently consists of Tim McIlrath , Zach Blair , Joe Principe and Brandon Barnes .Rise Against spent its first five years signed to the independent record label Fat Wreck Chords, on which it...

 song "Swing Life Away

Swing Life Away

"Swing Life Away" is a song by hardcore punk band Rise Against, from their 2004 album Siren Song of the Counter Culture. Originally written by Tim McIlrath and Neil Hennessy, the song is distinguished from the majority of Rise Against's catalog because it is performed and recorded acoustically...

", and also did percussion on the Less Than Jake

Less Than Jake

Less Than Jake is an American ska punk band from Gainesville, Florida. Originally formed in 1992 as a power pop trio, the band evolved into a hybrid of ska punk. Less Than Jake have also been cited as showing influences from a wide variety of genres including post-grunge, heavy metal, alternative...

 album, GNV FLA

GNV FLA

GNV FLA is the seventh studio album by Less Than Jake, released on June 24, 2008. Guitarist Chris Demakes states that the band "wrote a quintessential Less Than Jake record" and that the album includes "lots of horns and lots of vocals."...

.

Hennessy usually uses a Slingerland (70's) drum kit, Zildjian cymbals, and Remo heads.