| ID | Interpret | Skladba | Album | |
| 31. | Tori Amos | Professional Widow | Professional Widow [Single] |    |
| 32. | Tori Amos | Professional Widow | Professional Widow [Single] | |
| 33. | Tori Amos | Professional Widow [Bonus Beats] | Professional Widow [Single] | |
| 34. | Tori Amos | Professional Widow | Professional Widow [Single] | |
| 35. | AMBOOG.A.LARD | 09 Eye Inside | Professional Demo Recordings | |
| 36. | Hundred Years War | Ice Plant | Be Polite Be Professional (2007) | |
| 37. | AMBOOG.A.LARD | 02 Edge of Darkness | Professional Demo Recordings | |
| 38. | George Starcher | Professional Association - AITP | ITT Professional Development Series | |
| 39. | David Maister | 12 Competing through Organizational Functioning | Strategy In Professional Businesses | |
| 40. | Hundred Years War | Salton Sea | Be Polite Be Professional (2007) | |
| 41. | Chef Barb Freda | ChefsLine@5 | Professional Kitchen Tips | |
| 42. | Fabolous | Da Boss | DJ Clue: The Professional, Part 3 | |
| 43. | Sean Carroll | Dark Forces | MICA Professional Seminars | |
| 44. | Mobb Deep | The Gold | DJ Clue: The Professional, Part 3 | |
| 45. | AMBOOG.A.LARD | 05 Winds of Change | Professional Demo Recordings | |
| 46. | AMBOOG.A.LARD | 01 Balance of Power | Professional Demo Recordings | |
| 47. | Westlife | Tonight | Hands On Professional Backing Tracks | |
| 48. | Kevin Williams | MML Podcast 4-08-05 | Training, Goals and Professional Development | |
| 49. | Jeff Moore | Not Just for Kids | 2006 K12 Online Conference - Professional Development | |
| 50. | Blues Saraceno | Guitar Preamp 21 | Voodoo Labs Professional Guitar Tone | |
| 51. | David Maister | Business Development | Lessons I've learned - Marketing Professional Services | |
| 52. | David Maister | Attracting New Clients | Lessons I've learned - Marketing Professional Services | |
| 53. | George Hayhoe | Six Tips for Effective E-mails | IEEE Professional Communication Society Web Site | |
| 54. | David Maister | Doing it for the Money | Lessons I've learned - Marketing Professional Services | |
| 55. | Humphrey Camardella Productions | Jack Benny Program 1 First Professional Appearance | Jack Benny Program 1 First Professional Appearance | |
| 56. | Humphrey Camardella Productions | Jack Benny Program 1 First Professional Appearance | Jack Benny Program 1 First Professional Appearance | |
| 57. | Cal Banyan's Online Supervision Program | Sample - Negative Spiritual Issues in a Professional Practice | Negative Spiritual Issues in a Professional Practice | |
| 58. | Cal Banyan's Online Supervision Program | Sample - Negative Spiritual Issues in a Professional Practice | Negative Spiritual Issues in a Professional Practice | |
| 59. | David Maister | Understanding Relationships and Transactions | Lessons I've learned - Marketing Professional Services | |
| 60. | Side Street Projects - http://sidestreet.org | "What Do Curators Want?" | Side Street Projects' Professional Development for Artists: "What Do Curators Want?" | |
