Audacity Forum

The UCA222 is designed for stereo "line level" input. Although you can use one channel only the signal from a guitar will probably be a bit lower than ideal for this device. If you specifically want to record a guitar then the Behringer UCG102 would probably be a better choice. If you don'...

See also http://manual.audacityteam.org/man/Effect_Menu#repeat

After importing the songs, use the "Time Shift" tool (double headed arrow) to slide tracks 2,3,4... to the right so that they are positioned one after another. Leave a little overlap between the songs then use the fade-in fade-out effect (Effect menu) to fade out one song while the next on...

Use "Analyze > Regular Interval Labels" to create the labels, then "Export Multiple.
See these links for more info:
http://manual.audacityteam.org/man/FAQ: ... iles#split
http://manual.audacityteam.org/man/Spli ... ate_tracks

Ensure that Audacity is stopped and not just paused.
If that's not the problem, which version of Audacity (look in Help >About Audacity), which version of Windows and what do I need to do (step by step) to reproduce the problem?

Which version of Audacity? (look in Help > About Audacity)
Which version of Windows?

This shows a "spectrogram" view of some music with a pure tone in the middle (the horizontal line is the pure tone).

Use the Equalization effect.

A filter like this (below) will remove everything above 2000 Hz (note the position of the sliders as well as the "graph").
See here for the manual page: http://manual.audacityteam.org/man/Equalization

For an audio CD you need to tell Nero that you want an audio CD otherwise it will create a data CD which will not play in most CD players.

Given the choice, faster is better, particularly for multi-track recording.