Your friend walks up to you and says, "Hey, man! You've GOT to watch this new video! They had five people on one guitar!" You sit and watch the video and inch forward ever so slightly, mouth gawked in wonder, and the only thing you can think is, "Wow! How did he make that chinky sound?"

Recent musicians have become wildly experimental in their methods of playing an instrument or performing a song. From knocking on a guitar body to an a capella mash-up of hit songs, they find new ways to enchant us every day. The following are just a few examples of their amazing musical ideas.

1. Luca Stricagnoli - "Sweet Child O' Mine"

Luca Stricagnoli's fantastic dual-acoustic guitar cover of the Guns n' Roses classic, "Sweet Child O' Mine," is inspiring to guitarists everywhere. His take on the memorable melody takes us back to our younger, carefree days. Essentially playing a duet by himself, he employs finger-tapping on one guitar for the underlying rhythm while the melody is played on another custom acoustic with six extra tuneable strings attached to the body of the guitar, all the while percussive tapping on both guitars for an extra kick.

2. Square Peg Round Hole - "No. 8 from Postludes For Bowed Vibraphone"

An interesting and mesmerizing piece, Square Peg Round Hole takes us on a floating journey with the last movement of Elliot Cole's Postludes For Bowed Vibraphone. While widely played using mallets, using bows on a vibraphone has become a very popular technique for entrancing audiences. It's easy to understand why when watching this particular performance. Sit back, relax, and listen to the soothing harmonies.

3. Walk Off The Earth - "Somebody That I Used To Know"

Continuing in the theme of multiple players on one instrument, Walk Off The Earth finds a use for every part of the guitar in their cover of Gotye's hit. With five hands on one neck, it's interesting just to try to examine how they manage to stay out of the other players' way. Adding to that percussive tapping on the body, their voices and the commonly dubbed "chinky sound," the members of Walk Off The Earth keep us fascinated with this somewhat comical rendition.

4. The Piano Guys - "What Makes You Beautiful"

Now that we've seen five peeps on one guitar, what's next? Five Piano Guys, one piano, of course! The Piano Guys take the top off and dance around the piano in this cover of One Direction's "What Makes You Beautiful." They give the impression of a bass guitar, drums, a harp, a shaker and even a violin all using different parts of this beautiful baby grand piano's frame and strings.

5. Pentatonix - "Daft Punk"

Pentatonix catchy mash-up of much of Daft Punk's repertoire features the many sounds that can be made by the human mouth. This a capella rendition keeps us dancing and attempting/embarrassingly failing to imitate the variety of sounds the individual members create. I dare you to listen to it just once.

6. Victor Wooten - "Amazing Grace"

Victor Wooten has astonished the musical world for years with his dextrous use of the bass guitar. In a world where its primary function is an underlying eighth-note rhythm, he's changed the game for bassists everywhere, and in no way more surprising than his fantastic take on this timeless hymn. Featuring natural harmonics for the melody and his own funky groove on it, Wooten captivates and makes us want to clap along with the audience in the video.

7. Dirty Loops - "Rolling In The Deep"

How do you take a Grammy-winning song and make it even better? Just add funk. The Dirty Loops take Adele's haunting melody and throw in impressive drum solos, a funky bass groove, another phenomenal voice and crazy piano runs. Their version may not sound much like the original, but, it becomes a beast of its own nature.

8. Kurt Hugo Schneider and Kevin Olusola - "Little Talks"

It's hard to get more experimental than using different Coca Cola products as instruments. Kurt Schneider masterfully records bottles and glasses in place of a bass drum, vibraphone, snare drum, shaker and even a glockenspiel. Along with Kevin Olusola lending his wonderful beatboxing and cello skills, they create a quite impressive and catchy rendition of Of Monsters and Men's hit song that makes us wonder what else can be used as an instrument.

9. The Piano Guys - "Rockelbel's Canon"

Most weddings that employ a string quartet feature "Pachelbel's Canon in D" as background music at some point in the procession, and cellists despise every second of it because of their part in it - or lack thereof, as the entire part only has four throughout the piece. Steven Sharp Nelson of The Piano Guys is one of those cellists and started writing this beautiful and poppy arrangement during that exact situation. Every sound heard is created using the various parts of the cello, which is impressive when considering the many instruments imitated, including stand-up bass, strummed guitar, bongos, cajon, bass drum, castanets, congas and, of course, cello.

These are just a few of the many different ways recent musicians are using their respective instruments or voices. I encourage you to keep an eye out for more, and support these artists!