It is fluttering of fingers between musical notes which are around half or full step apart. You can only distinguish it from the tremolo if you listen very closely and carefully. There are different types of trill which mainly include turn, mordant and trillo. If you understand these three types of trill, you can easily recognise it in music anywhere. The TR letters in the musical notes symbolises a trill. Even though, it is extremely difficult to play the trill with the left hand but you can master it through practice.
- Image courtesy: dolmetsch.com
It is a fluttering of fingers between 2 notes which are completely different from each other. It is also known as trembling effect of the musical notes. It is denoted by the symbol of a slash and can make the music more pleasing by emphasising on the notes. Most musicians use tremolo to make the music more engaging.
Many people believe that the tremolo is an unnecessary add-on in music. However, professional musicians think that it gives extra life and thrill to the sound. Besides, you must note that the tremolos can be played with both the hands. But, you still need considerable practice to achieve perfection in tremolo playing.
- Image courtesy: commons.wikimedia.org