Virtual Vagabond

Free 1 prim sheet music stand from Factory of CarkMoon.
http://slurl.com/secondlife/Koenji/87/105/37

Fun free wearable trumpet from Vim Sims and wearable drum set from chiaki Criss, both with animation and sound at the Meltingdots Freebie Store.
http://slurl.com/secondlife/MeltingDots/130/44/27

Fun free wearable keytar with sound and animation from Spindle Vlodovic.

You can find a copy in the Virtual Vagabonds group (free to join, check past notices). 
http://world.secondlife.com/group/fa41d6dd-6789-73ca-552e-3f49de03cc18

Free wearable digital DJ booth with animated pose and animated display lights from Azul Sanctuary.
http://slurl.com/secondlife/Susukino/112/111/23

Bare Rose has a mini treasure hunt, Bremen III, a Sound Treasure hunt which runs from February 14th – 24th, 2013. Pick up a note card from the poster at the landing spot for instructions (it’s only 6 places to visit to complete).

Fun mesh wearable keytar with animation and stack of cartoon cat, rabbit, and mouse animals head attachment with music. There’s also a wedding gown and tuxedo for regular, petite and titan avatars available. Thanks Devin!

http://slurl.com/secondlife/Bare%20Rose/150/3/30

Free playable toy piano with animation, multiple sits, plus music, and an electric guitar with animation from ::: Libber’s Guitar Product ::: available until January 3rd, 2013 (purchase the bag on the far right for L$0).
http://slurl.com/secondlife/Seed/20/224/23

The Kiyomizu Winter Treasure Hunt runs from December 15th 2012 – January 7th, 2013.

Look for a sculpted ninja cat (pictured left).

Funny attack snowman, when clicked it flys toward and pushes the avatar from Kidd’s Factory.
http://slurl.com/secondlife/Oakfield/72/88/53
Hint: There is the treasure in the space of showa right under here.

Mesh Monterey Pop Festival Jimi Hendrix mini guitar with animation and guitar case from Witch Babe.
http://slurl.com/secondlife/Little%20Cat%20GreenEyes/136/120/42

Toy piano with playing animation, multiple sits, and Christmas medley music, wearable microphone with holding animation when you type, and sunburst jazz bass with animations and fun special effects such as fire and explosion from ::: Libber’s Guitar Product ::: for L$10 (buy the bag in the middle).
http://slurl.com/secondlife/SWITCH/112/5/27 Update: The sim is no longer available.

Wearable Silent Guitar, xmas color edition, with sound and animation from 108YA lucky board. Thanks Fritzfranz!
http://slurl.com/secondlife/Motomachi/44/107/22

Free playable bell lyre/glockenspiel music instrument attachment with sounds and animation from 108YA.
http://slurl.com/secondlife/Motomachi/33/104/22

See the video for how it works and sounds.