Calling all SDN singles interested in a free make-over. We will give you a new look under the 'Revamp*' column in our quarterly DUET Magazine. For more details, click here. SDNTrust Accredited Agencies give you high standard of service. Digital Duet (Apr-Jun 2015). Check out the latest Apr-Jun 2015 issue of Duet! Look forward to a more interactive DUET which not only features the highlights of the hardcopy magazine, but also additional content such as dating/ relationship related tips and fun quizzes.