======================== unified (from filesystem) ========================
                                         'bitrate'  '157.389'
                                        'duration'  '23'
                                          'artist'  'Aventura'
                                     'text_people'  ''
                                         'release'  'K.O.B. Live'
                                           'title'  'Anthony (Skit)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['latino', 'latin', 'bachata', 'pop', 'spanish']"
                                     'discogstags'  "['latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '13'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-style-latin;set-pl-sced'
                                             'bpm'  '142.910'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:http://www.cdtag.com:B\x00\x9d\x03~\x00'      PRIV(owner='http://www.cdtag.com', data=b'B\x00\x9d\x03~\x00')
'TALB' (Album/Movie/Show title)                     'K.O.B. Live'
'TBPM' (BPM (beats per minute))                     '142.910'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-latin', 'set-pl-sced']
'TDRC' (Recording time)                             '2006-00-00'
'TIT2' (Title/songname/content description)         'Anthony (Skit)'
'TKEY' (Initial key)                                '10A'
'TLAN' (Language(s))                                'esl'
'TPE1' (Lead performer(s)/Soloist(s))               'Aventura'
'TPE2' (Band/orchestra/accompaniment)               'Aventura'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Premium Latin Music'
'TRCK' (Track number/Position in set)               '7/13'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 3.97 -V 2 --vbr-new'
'TXXX:Language 2-letter'                            'SP'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:Release type'                                 'Live'
'TXXX:Rip date'                                     '2007-02-25'
'TXXX:Ripping tool'                                 'EAC (Secure mode)'
'TXXX:Source'                                       'CD'
'TXXX:discogstags'                                  'latin'
'TXXX:lastfmtags'                                   ['latino', 'latin', 'bachata', 'pop', 'spanish']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.551437'

========================== row from database ==========================
                                              'id'  381637
                                            'path'  /data/Music/Bulk/00localcharacter/Aventura/[2006] K.O.B. Live/1-07 Anthony (Skit).mp3
                                         'working'  None
                                         'bitrate'  157
                                    'duration_sec'  23
                                           'genre'  loc-style-latin;set-pl-sced
                                        'filesize'  533011
                                           'mtime'  1620522981
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [2006] 1 07 loc style latin;set pl sced
                                      'tag_artist'  Aventura
                                     'tag_release'  K.O.B. Live
                                       'tag_title'  Anthony (Skit)
                                             'bpm'  142.91
                                    'search_title'  'anthony':1 'skit':2,3
                                   'search_artist'  'aventura':1
                                  'search_release'  'b':3 'k':1 'kob':4 'live':5 'o':2
                                     'search_rest'  '1':3 '2006':1,2 'latin':6,8 'loc':4 'pl':10 'sced':11 'set':7,9 'style':5
                                    'search_combo'  '1':12 '2006':10,11 'anthony':1A 'aventura':4B 'b':7C 'k':5C 'kob':8C 'latin':15,17 'live':9C 'loc':13 'o':6C 'pl':19 'sced':20 'set':16,18 'skit':2A,3A 'style':14
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['latino', 'latin', 'bachata', 'pop', 'spanish']
                                        'tag_date'  2006
                                     'discogstags'  ['latin']

============================== file details ==============================
                                           'mtime'  1620522981.4500167  (2021-05-09 03:16:21)
                             'size'  533011