Are you kidding me? It takes months, years to know how to play an instrument. And lots of hard practice. You can't just learn it in days. I suggest starting with hot cross buns :D
With a teacher
Most experts believe immersion is the fastest way to learn any language.
to learn through song
Go to school
play it
Internet
Violin for dummies is great. To master the violin can take a lifetime...just saying.
by watching Ni Hao Kilan
He taught himself how to play the violin.
Play the instrument you want to play. The violin and bass are completely different.
The same to how violists learn violin.
Now, Clarissa Tamara , 14years old Violinist has become World's Fastest Violinist