An APE tag item value is a value assigned by a key.

Member of APE Tag Item

APE Tag Item values can be binary data or UTF-8 strings.

Binary data is possible but strongly unrecommended.

UTF-8 strings are not zero terminated.

Although the contents is free, some formats are strongly recommended:

Integer Number	List of digits, may be prepended by a '-' character
Floating Point Number	List of digits with an optional dot in the middle, may be prepended by a '-' character. An exponent can be appended which starts with a 'e' or 'E' followed by a integer number
Date	Date
Time period	Date . . . Date
String	Arbitrary data not containing characters 0, 254 and 255. UTF-8 encoded
List of entries	Items are not zero-terminated like in C/C++. If there's a zero character, multiple items are stored under the key and the items are separated by zero characters.
Time Stamp	Timestamp
Lyrics	[Timestamp]Text Linefeed [Timestamp,Performing Person]Text Linefeed [Timestamp,Performing Person1,Performing Person 2]Text Linefeed
Media	CD, DVD, VHS, Radio
Title Number	2- or 3-digit nonnegative integral number
Weblink	http://host/directory/filename ftp://host/directory/filename http://host:port/directory/filename ftp://host:port/directory/filename http://user:password@host/directory/filename ftp://user:password@host/directory/filename http://user:password@host:port/directory/filename ftp://user:password@host:port/directory/filename
Local Link	file:/directory/file file:./relativedirectory/filename file:./filename
Other IP link	protocol:identifier
e-Mail address	mailto:name@host
Binary data	Arbitrary data, all data is allowed

Examples:

Integer Number	12, 1234, -34534
Floating Point Number	12, 123.4, .123, -12., 12.34e12, 12.7E-4
Date	2002-02-28
Time period	2002-02-28...2003-01-01
String	Rabits are rabits.
List of entries
Lyrics
Media
Title Number
Weblink
Local Link
Other IP link
e-Mail address
Binary data	‹v¸Âgzed.1019394166¬Z}pÇu§Œ@žt²­oK²´’H´P¤%Ù¢-Ë ~ˆH eÃØGb œ˜»ƒdÑN6¬]»ŽëtÔNëqëº_ãÔý£3iOfÒL›i“vÜ©þèÇ´“~L3mÝ6ic·�“F}owï HÅ3…Dw·ûö½·ïýÞÇ^zÎìøRGGÇ—É–Ž›7;ÄgKGÇ!ñç–ŸçnœK¦f¶td™ÜðTGÔ±§cÇró æXඎ¹@ c)ÐÙñTà¶-7o^Þú—À«�wßükàŸÿØKþ=p/ùNàqòÝÀóä?¯“ÿüù^à=ò^`_ðý üïÀóÁÿ¼ü~àƒv„~èý0p6ô¿�¡Ð�—C7k¡ò»¡-äC·‘¿ È»!B¶…ƒ$‘T8L¦Ã�ä±p±Ã y¼•ü|xùÍ°JÞo'_ßNn„ï]�w’»;w�tçNòDç.ò©ÎÝä×:÷�¯vî%¤kéœéÚOF»�r×Ar¥ënò‹]‡È— »“î¢ä½®#¤C9JåÙ£t“J¹O9N.+'HY‰�’ÒK˜r)*'É¢%š#U%?}dI9EžPúI] ¶r/¹¦œO)gÈŠr~î#¿ ÜO~Y9GÞPÉŠƒ¥À‹ãa ŠV³UådD