You can use Itunes to burn a disc on a mac.
First you will need to import the LifeFlow track into iTues using "Add file to Library" in the file menu.
Create a Playlist
Baisicly once you have a playlist with LifeFlow in you will have the option to burn to disc.
Below is from apples website and i think its straight forward enough but if not let me know.
Burning an Audio CD Using iTunes
1) Tell iTunes That You Want an Audio CD
Open iTunes and from the iTunes menu, choose Preferences. Click Advanced in the resulting dialog and then click the Burning tab. Next to Disc Format, select Audio CD and then click OK.
2) Create a New Playlist of Songs
From the File menu, choose New Playlist. Type a name for your playlist in the Source list (this will become your CD's name), and then drag songs from your library to your new playlist. To change the song order, select your playlist and just drag and drop songs in the order you want.
3) Burn Your Disc
With your playlist selected, click the Burn Disc icon in the upper-right corner of the window. Then simply insert a blank, recordable CD into your disc drive to start burning it.
Disc Burning Quick Assist