Is your instrument in tune?  Check with Ninja Tuner .

* This app needs microphone access to work properly *

Keep your tempo steady by using a metronome …

Or maybe you would like to add some drums while you play?

Try adding an online drum machine!

* You can also change the tempo, the drum sounds, and the style of drumming *

Need to write down the melody that is in your brain? 

Here are some different types of staff paper.