Until about a year ago, New York hip-hop experienced a tough slump.

Lately it has been on the rise with artists such as the Flatbush duo, The Underachievers.

The group consists of Ak and Issa Dash, two young men from Brooklyn who started rapping with each other in high school.

They are part of the new generation of New York artists, The Beast Coast.

This past summer, they signed to Flying Lotus’ record label Brainfeeder, and have released many singles and a few videos since then.

Their highly anticipated debut “Indigoism” is seventeen tracks of pure New York rap.

With production from a range of different producers, fans can expect many different sounds.

The intro, “Philanthropist,” is a bass heavy track, showcasing Issa and Ak’s lyricism.

It is the perfect way to bring in the project and introduce the duo.

The next notable track is “So Devilish,” a song they had released months prior. Contrary to the title, it has a positive message.

Certain tracks such as “New New York” and “Land of Lords” provide that classic New York sound that has been missing for years. The nostalgic sound gave the project a nineties feel.

It is good to see versatility and variety from the duo considering that most of the project consists of bass heavy beats. Such tracks keep “Indigoism” from seeming redundant.

Everyone loves bass heavy beats, but it is never good to have a tape full of them. Versatility is always key.

The last quarter of “Indigoism” is perhaps the best part of the entire mixtape. “Gold Soul Theory” describes how everything that shines is not gold.

The duo also tribute their fellow Beast Coast member, Capital STEEZ, who committed suicide a few days before Christmas, in “The Madhi.”

“The Madhi” is one of the only emotional and heart-felt tracks on the mixtape. Listeners can definitely tell the death of their friend had a major impact on the duo.

“Indigoism” proceeds with an up-tempo track entitled “Leopard Sheperd,” that has a very rich horn sample. Last, but not least, The Underachievers ended their debut tape with a Mr. Bristol produced track “Play Your Part.”

The Underachievers are definitely a group to look out for in 2013. They are on a mission to change the rap game for the better. “Indigoism” is a reminder that New York hip-hop is here to stay.

With the wave of new artists coming out of N.Y., one cannot help but to respect the movement.

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• Jeffrey Lockhart, Contributor