======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '220'
                                          'artist'  'Julie Delpy'
                                     'text_people'  ''
                                         'release'  'Julie Delpy'
                                           'title'  'And Together'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'female vocalists', 'pop', 'french', 'singer songwriter']"
                                     'discogstags'  "['pop', 'chanson']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-pop'
                                             'bpm'  '140.335'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Julie Delpy'
'TBPM' (BPM (beats per minute))                     '140.335'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'ifs-songwriter-pop']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'And Together'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Julie Delpy'
'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'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['pop', 'chanson']
'TXXX:lastfmtags'                                   ['soundtrack', 'female vocalists', 'pop', 'french', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.420788'

========================== row from database ==========================
                                              'id'  1248186
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Julie Delpy/MBZ;#Julie Delpy;#Julie Delpy;#10;#And Together.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  220
                                           'genre'  ifs-songwriter;ifs-songwriter-pop
                                        'filesize'  5285760
                                           'mtime'  1621630292
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos MBZ;#Julie Delpy;#Julie Delpy;#10;#And ifs songwriter;ifs songwriter pop
                                      'tag_artist'  Julie Delpy
                                     'tag_release'  Julie Delpy
                                       'tag_title'  And Together
                                             'bpm'  140.335
                                    'search_title'  'and':1 'together':2
                                   'search_artist'  'delpy':2 'julie':1
                                  'search_release'  'delpy':2 'julie':1
                                     'search_rest'  '00singer':1 '10':13,16 'and':14,17 'delpy':8,10,12,15 'eos':3 'ifs':18,20,22 'julie':5,7,9,11 'mbz':4,6 'pop':23 'songwriter':2,19,21
                                    'search_combo'  '00singer':7 '10':19,22 'and':1A,20,23 'delpy':4B,6C,14,16,18,21 'eos':9 'ifs':24,26,28 'julie':3B,5C,11,13,15,17 'mbz':10,12 'pop':29 'songwriter':8,25,27 'together':2A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'female vocalists', 'pop', 'french', 'singer songwriter']
                                        'tag_date'  2003
                                     'discogstags'  ['pop', 'chanson']

============================== file details ==============================
                                           'mtime'  1621630291.8317132  (2021-05-21 22:51:31)
                             'size'  5285760