======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '250'
                                          'artist'  'Aventura'
                                     'text_people'  ''
                                         'release'  'We Broke The Rules'
                                           'title'  'Cuando Volveras'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['latino', 'latin', 'bachata', 'pop', 'spanish']"
                                     'discogstags'  "['latin', 'latin', 'bachata']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'loc-style-latin;set-pl-sced'
                                             'bpm'  '123.106'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'We Broke The Rules'
'TBPM' (BPM (beats per minute))                     '123.106'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-latin', 'set-pl-sced']
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Cuando Volveras'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Aventura'
'TPE2' (Band/orchestra/accompaniment)               'Aventura'
'TRCK' (Track number/Position in set)               '10'
'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:discogstags'                                  ['latin', 'latin', 'bachata']
'TXXX:lastfmtags'                                   ['latino', 'latin', 'bachata', 'pop', 'spanish']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.66 dB'
'TXXX:replaygain_track_peak'                        '0.579162'

========================== row from database ==========================
                                              'id'  433878
                                            'path'  /data/Music/Bulk/00localcharacter/Aventura/[2002] We Broke The Rules/10 Cuando Volveras.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  250
                                           'genre'  loc-style-latin;set-pl-sced
                                        'filesize'  5047310
                                           'mtime'  1620522964
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [2002] 10 loc style latin;set pl sced
                                      'tag_artist'  Aventura
                                     'tag_release'  We Broke The Rules
                                       'tag_title'  Cuando Volveras
                                             'bpm'  123.106
                                    'search_title'  'cuando':1 'volveras':2
                                   'search_artist'  'aventura':1
                                  'search_release'  'broke':2 'rules':4 'the':3 'we':1
                                     'search_rest'  '2002':1,2 'latin':5,7 'loc':3 'pl':9 'sced':10 'set':6,8 'style':4
                                    'search_combo'  '2002':8,9 'aventura':3B 'broke':5C 'cuando':1A 'latin':12,14 'loc':10 'pl':16 'rules':7C 'sced':17 'set':13,15 'style':11 'the':6C 'volveras':2A 'we':4C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-1', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['latino', 'latin', 'bachata', 'pop', 'spanish']
                                        'tag_date'  2002
                                     'discogstags'  ['latin', 'latin', 'bachata']

============================== file details ==============================
                                           'mtime'  1620522963.5493228  (2021-05-09 03:16:03)
                             'size'  5047310