======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '339'
                                          'artist'  'Claude Challe'
                                     'text_people'  ''
                                         'release'  'Flying Carpet'
                                           'title'  'Hope'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-4', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['downtempo', 'lounge', 'ambient', 'acid jazz', 'electronic', 'chillout']"
                                     'discogstags'  "['electronic', 'future jazz', 'downtempo', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '14'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-m;electronic;prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '114.868'
                                             'key'  '6A'
                                        'acoustid'  '71907d76-9dc5-404d-94fd-9872f1e6d693'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Flying Carpet'
'TBPM' (BPM (beats per minute))                     '114.868'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['loc-m', 'electronic', 'prerock-jb-jazz-lounge or exotica or bossa']
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TFLT' (File type)                                  '/3'
'TIT2' (Title/songname/content description)         'Hope'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Nitin Sawhney & Natacha Atlas'
'TPE2' (Band/orchestra/accompaniment)               'Claude Challe'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Mercury Records'
'TRCK' (Track number/Position in set)               '7/14'
'TSO2'                                              'Challe, Claude'
'TSOP' (Performer sort order)                       'Sawhney, Nitin & Atlas, Natacha'
'TSST' (Set subtitle)                               'Lotus'
'TXXX:ASIN'                                         'B00004R7Z3'
'TXXX:Acoustid Id'                                  '71907d76-9dc5-404d-94fd-9872f1e6d693'
'TXXX:BARCODE'                                      '731455871128'
'TXXX:CATALOGNUMBER'                                '558 711-2'
'TXXX:MusicBrainz Album Artist Id'                  'd14ee6ff-ccc9-41c7-a60e-2b529936dcb8'
'TXXX:MusicBrainz Album Id'                         'd2bc252a-fe11-4117-9eef-1882b771a3ac'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'bc3d74c5-9328-4a1b-8014-3ecdb3dababe/5b86eefc-f3b2-4b91-8161-c505869fb17f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'future jazz', 'downtempo', 'ambient']
'TXXX:lastfmtags'                                   ['downtempo', 'lounge', 'ambient', 'acid jazz', 'electronic', 'chillout']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.76 dB'
'TXXX:replaygain_track_peak'                        '0.803817'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6262d97a-00c4-4183-8681-cb7cdf8cab46')

========================== row from database ==========================
                                              'id'  1116636
                                            'path'  /data/Music/Bulk/00localcharacter/Natacha Atlas/Atlas/Nitin Sawhney & Natacha Atlas (Hope).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  339
                                           'genre'  loc-m;electronic;prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  4766890
                                           'mtime'  1636912963
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Natacha Atlas Atlas Nitin Sawhney & Natacha Atlas (Hope) loc m;electronic;prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Claude Challe
                                     'tag_release'  Flying Carpet
                                       'tag_title'  Hope
                                             'bpm'  114.868
                                    'search_title'  'hope':1
                                   'search_artist'  'challe':2 'claude':1
                                  'search_release'  'carpet':2 'flying':1
                                     'search_rest'  'atlas':2 'bossa':19 'electronic':9,12 'exotica':18 'hope':5,6 'jazz':15 'jb':14 'loc':7 'lounge':16 'm':8,11 'natacha':1 'nitin':3 'or':17 'prerock':10,13 'sawhney':4
                                    'search_combo'  'atlas':7 'bossa':24 'carpet':5C 'challe':3B 'claude':2B 'electronic':14,17 'exotica':23 'flying':4C 'hope':1A,10,11 'jazz':20 'jb':19 'loc':12 'lounge':21 'm':13,16 'natacha':6 'nitin':8 'or':22 'prerock':15,18 'sawhney':9
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['downtempo', 'lounge', 'ambient', 'acid jazz', 'electronic', 'chillout']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic', 'future jazz', 'downtempo', 'ambient']

============================== file details ==============================
                                           'mtime'  1636912962.9227562  (2021-11-14 19:02:42)
                             'size'  4766890