Pancreas - Additional images. 1  The duodenum and pancreas. 2  Pancreas of a human embryo at end of sixth week. 3  Dog pancreas magnified 100 times. 4  The pancreas and its surrounding structures. 5  Duodenum and pancreas. Deep dissection.
The answer lies in the difference between analog and digital recordings. A vinyl record is an analog recording, and CDs and DVDs are digital recordings. Take a look at the graph below.
Single (music) In music, a single or record single is a type of release, typically a song recording of fewer tracks than an LP record, an album or an EP record. This can be released for sale to the public in a variety of different formats.