I am new to Logic Pro 8 and i'm trying to figure out what these numbers in the red circle mean in the transport bar? and where you would specify the specific instruments sound(e.g. â€“ a â€œpianoâ€ sound or other) to be produced by a Logic plug-in synthesizer in this green screenshot? could you please circle it if possible? I've searched high and low on this forum to no avail. any help would be very much appreciated.