======================== unified (from filesystem) ========================
                                         'bitrate'  '56.0'
                                        'duration'  '187'
                                          'artist'  'Josiphine Baker'
                                     'text_people'  ''
                                         'release'  '50 ans de chanson frangaise'
                                           'title'  "J'ai deux amours"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '22'
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '145.685'
                                             'key'  '9A'
                                        'acoustid'  'fcc54463-095e-4877-8983-92c993e9561c'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '50 ans de chanson frangaise'
'TBPM' (BPM (beats per minute))                     '145.685'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         "J'ai deux amours"
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Josiphine Baker'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/6'
'TPUB' (Publisher)                                  'EPM Musique'
'TRCK' (Track number/Position in set)               '3/22'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Baker, Joséphine'
'TXXX:ASIN'                                         'B00004V0DE'
'TXXX:Acoustid Id'                                  'fcc54463-095e-4877-8983-92c993e9561c'
'TXXX:BARCODE'                                      '3229269846625'
'TXXX:CATALOGNUMBER'                                '984662'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '472a4254-444a-36b8-930b-821d26c714c9'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '549dc0da-d165-4bff-839e-dca65cf51c0c'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.67 dB'
'TXXX:replaygain_track_peak'                        '0.414585'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5154dd0e-e483-4e0a-865d-effe572eebcb')

========================== row from database ==========================
                                              'id'  1529127
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/30_s collection/josephine baker - two loves have i.mp3
                                         'working'  None
                                         'bitrate'  56
                                    'duration_sec'  187
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  1347769
                                           'mtime'  1620527901
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 30_s collection josephine baker two loves have prerock jb jazz unsorted
                                      'tag_artist'  Josiphine Baker
                                     'tag_release'  50 ans de chanson frangaise
                                       'tag_title'  J'ai deux amours
                                             'bpm'  145.685
                                    'search_title'  'ai':2 'amours':5 'deux':4 'j':1 'jai':3
                                   'search_artist'  'baker':2 'josiphine':1
                                  'search_release'  '50':1 'ans':2 'chanson':4 'de':3 'frangaise':5
                                     'search_rest'  '30':5 'baker':9 'collection':7 'country':4 'exotica':2 'have':12 'jazz':1 'jb':14 'josephine':8 'loves':11 'oldies':3 'prerock':13 's':6 'two':10 'unsorted':15
                                    'search_combo'  '30':17 '50':8C 'ai':2A 'amours':5A 'ans':9C 'baker':7B,21 'chanson':11C 'collection':19 'country':16 'de':10C 'deux':4A 'exotica':14 'frangaise':12C 'have':24 'j':1A 'jai':3A 'jazz':13 'jb':26 'josephine':20 'josiphine':6B 'loves':23 'oldies':15 'prerock':25 's':18 'two':22 'unsorted':27
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527901.298111  (2021-05-09 04:38:21)
                             'size'  1347769