A passage of sound is attached to a printed image 11 by means of an electronic storage medium 12. The electronic storage medium 12 comprises a die 16 containing a non-volatile memory and a flexible substrate 14 with connectors 15. The connectors can be interfaces with a separate reader 4 which plays the passage of sound recorded in the electronic storage medium. Further information is also provided in the electronic storage medium 12 memory. This further information relates to the printed image. Such information may include a version of the image printed, either to the same or to a lower resolution. It may also include information relating to image capture conditions or location, or information allowing referencing or indexing of the image.