Another common instrument, unique to Swedish traditions, is the nyckelharpa.
The induced voltage can be measured and recorded with common instruments.
The following years he learned to play most common instruments.
This is both to limit the difficulty for inexperienced players and because schools frequently do not have access to the less common instruments.
However, rock has become very different and it is hard to say what its common musical instruments are.
A common instrument used by many of the communities is the drum.
For example, a smoke detector is a common instrument found in most western homes.
Today the whistle is a very common instrument in recorded Scottish music.
Application blanks are the second most common hiring instrument next to personal interviews.
These are still used today, but the most common instrument is the melodeon.