======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '267'
                                          'artist'  'brigitte bardot et serge gainsbourg'
                                     'text_people'  ''
                                         'release'  'Des filles et des fleurs  vol.3'
                                           'title'  " je t'aime... moi non plus"
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['french', 'chanson francaise', 'chanson', 'serge gainsbourg', 'chanson "
 "française']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '30'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '122.733'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Des filles et des fleurs  vol.3'
'TBPM' (BPM (beats per minute))                     '122.733'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TIT2' (Title/songname/content description)         " je t'aime... moi non plus"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'brigitte bardot et serge gainsbourg'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '30'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf55.19.100'
'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:lastfmtags'                                   ['french',
 'chanson francaise',
 'chanson',
 'serge gainsbourg',
 'chanson française']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.688662'

========================== row from database ==========================
                                              'id'  1503603
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00french/va - des filles et des fleurs vol.3 by dr stein/30 brigitte bardot et serge gainsbourg - je t_aime... moi non plus.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  267
                                           'genre'  loc-eur-france
                                        'filesize'  10687263
                                           'mtime'  1620534946
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00french va by dr stein 30 t_aime... loc france
                                      'tag_artist'  brigitte bardot et serge gainsbourg
                                     'tag_release'  Des filles et des fleurs  vol.3
                                       'tag_title'   je t'aime... moi non plus
                                             'bpm'  122.733
                                    'search_title'  'aime':3 'je':1 'moi':5 'non':6 'plus':7 't':2 'taime':4
                                   'search_artist'  'bardot':2 'brigitte':1 'et':3 'gainsbourg':5 'serge':4
                                  'search_release'  '3':6 'des':1 'et':3 'filles':2 'fleurs':4 'vol':5 'vol3':7
                                     'search_rest'  '00french':4 '00mid':1 '30':9 'aime':11,13 'by':6 'dr':7 'europe':3 'france':15 'loc':14 'north':2 'stein':8 't':10,12 'va':5
                                    'search_combo'  '00french':23 '00mid':20 '3':18C '30':28 'aime':3A,30,32 'bardot':9B 'brigitte':8B 'by':25 'des':13C 'dr':26 'et':10B,15C 'europe':22 'filles':14C 'fleurs':16C 'france':34 'gainsbourg':12B 'je':1A 'loc':33 'moi':5A 'non':6A 'north':21 'plus':7A 'serge':11B 'stein':27 't':2A,29,31 'taime':4A 'va':24 'vol':17C 'vol3':19C
                                    'tag_tracknum'  30
                                      '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-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['french', 'chanson francaise', 'chanson', 'serge gainsbourg', 'chanson française']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620534946.212138  (2021-05-09 06:35:46)
                             'size'  10687263