Hi! i just see your videos and i really like them! (sorry about my english, but im from argentina and i dont really know how to writte in english, well.. im gonna do my best try) I have a problem with the sound, i can hear when im recording, but i cant hear the recorded material. i use logic pro 8 and an fast track pro audio interface. what im doing is this... -connect the fast track pro audio interface via USB to my mac -turn on the fast track pro audio interface -check the Audio-MIDI Preferences to set the In and Out to my fast track pro: http://img99.imageshack.us/img99/8913/imagen3rr4.png -launch logic pro -create a new project -when i create a new proyect at first time, logic ask me to create a new track, and this is what i see. http://img142.imageshack.us/img142/76/imagen1ai2.png -i select 1 audio track; in format i select mono, in "IN" i select Input 1 (this input is from the fast track pro) and in "Out" i choose Output 1-2, from my fast track pro too. -When im recording i hear the sound, but at the moment to reproduce the audio that was recorded, i cant hear anything! so... to hear the audio i have to go to "Preferences--Audio--Drivers-Core Audio" and in driver i choose Built-in Audio. And now, i can hear what i just recorded but to start recording again i have to change the drive once again to fast track pro. I hear the recorded track BUT to star recording again i have to do the same proccess again, and again, and again, change the audio driver; Fast track pro to record my audio tracks and Built-in audio to hear my audio tracks. What can i do to record and then, just pushing the play button, hear what i just recorded? please!!! help me!!!! also im gonna include a pics from my fast track pro; for you to say me what's connected wrong. This is the front of tha fast track: http://img142.imageshack.us/img142/4268/frenteaa8.png i connect a guitar and a condenser microphone to the Mic/Instr in (6) and this is the back: http://img100.imageshack.us/img100/1116/dorsomb3.png i connect my RCA to the audio outputs 1 and 2 (25) and this is the configuration panel for the fast track pro: http://img87.imageshack.us/img87/1552/imagen2cv1.png please!!!! help me! and really really, thanks for the material. :)