The Yamaha Corporation is the world’s largest piano manufacturing company. A joke on the Yamaha name—haha—is:
 
Q: What do you call a laughing piano?
A: A Yamahahahahaha.
 
The “Yamaha” joke was posted on Twitter on November 28, 2011, and has been printed on several images.
 
“What do you call a laughing motorcycle?”/“A Yamahahahahaha” is a similar Yamaha joke.
 
     
Wikipedia: Yamaha Corporation
Yamaha Corporation (ヤマハ株式会社 Yamaha Kabushiki Gaisha) (/jəˈmɑːhə/ or /ˈjɑːməhə/; Japanese pronunciation: [jamaha]) is a Japanese multinational corporation and conglomerate based in Japan with a very wide range of products and services, predominantly musical instruments, electronics, and power sports equipment. It is one of the constituents of Nikkei 225 and is the world’s largest piano manufacturing company.
   
Twitter
Ananda Sukarlan‏
@anandasukarlan
Q: What do you call a laughing piano? A: A Yamahahahuahua
4:22 PM - 28 Nov 2011
   
Facebook
Bellasiels
May 10, 2015 ·
What do you call a laughing piano?
A Yamahahaha
AHAHA. sorry.
     
Felix and Fingers
The “Best” Piano Jokes Ever
by Mike Sherman | Oct 29, 2015
(...)
What do you call a laughing piano?
A Yamaha-ha-ha.
 
Twitter
Julian Ovenden‏
@JulianOvenden
What do you call a laughing piano? A Yama-haha 😉
Behind the scenes at the ‘I’ll Take Romance’ shoot!
9:51 AM - 9 Apr 2016
 
Twitter
Enchantment‏
@sageandspirit2
What do you call a laughing piano? A Yamahahaha
2:43 AM - 16 Feb 2017
 
The Amazingly Lame Joke of the Day
Friday, August 4, 2017
What do you call a laughing piano?
A Yamahahahahaha.
Posted by Tim Wycislak at 4:58 AM