======================== unified (from filesystem) ========================
                                         'bitrate'  '207.408'
                                        'duration'  '119'
                                          'artist'  "Les Charbonniers de l'Enfer"
                                     'text_people'  ''
                                         'release'  'Celtic Mouth Music'
                                           'title'  'La luette en colère (The Angry Uvula)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-3', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk', 'folklore', 'quebecois', 'quebec', 'québec']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '32'
                                      'tracktotal'  '37'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'loc-eur'
                                             'bpm'  '121.8'
                                             'key'  '6B'
                                        'acoustid'  'f74d859d-4b7b-416e-b0b9-ea993ba606e5'
rest: ''

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

'PRIV:AverageLevel:Ë\x0e\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xcb\x0e\x00\x00')
'PRIV:PeakValue:\x19\x7f\x00\x00'                   PRIV(owner='PeakValue', data=b'\x19\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Celtic Mouth Music'
'TBPM' (BPM (beats per minute))                     '121.8'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'La luette en colère (The Angry Uvula)'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               "Les Charbonniers de l'Enfer"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ellipsis Arts...'
'TRCK' (Track number/Position in set)               '32/37'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       "Charbonniers de l'Enfer, Les"
'TXXX:ASIN'                                         'B0000059U2'
'TXXX:Acoustid Id'                                  'f74d859d-4b7b-416e-b0b9-ea993ba606e5'
'TXXX:CATALOGNUMBER'                                'CD4070'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '121bdc02-f649-4092-aac0-cb5a9b8f1621'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '83f0b993-36f8-4dba-bf35-f221e808ffbe'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['folk', 'folklore', 'quebecois', 'quebec', 'québec']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'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'                        '+1.77 dB'
'TXXX:replaygain_track_peak'                        '0.590425'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e1b55f79-4355-4888-a763-a6c1718d187d')

========================== row from database ==========================
                                              'id'  1476130
                                            'path'  /data/Music/Bulk/00localcharacter/VA. World 1： Trad/Celtic Mouth Music (Ellipsis Arts, 1997) [202k VBR]/32-The Angry Uvula.mp3
                                         'working'  None
                                         'bitrate'  207
                                    'duration_sec'  119
                                           'genre'  loc-eur
                                        'filesize'  3096104
                                           'mtime'  1620536192
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter VA. World 1： Trad (Ellipsis Arts, 1997) [202k VBR] 32 loc eur
                                      'tag_artist'  Les Charbonniers de l'Enfer
                                     'tag_release'  Celtic Mouth Music
                                       'tag_title'  La luette en colère (The Angry Uvula)
                                             'bpm'  121.8
                                    'search_title'  'angry':8 'colere':4,5 'en':3 'la':1 'luette':2 'the':6,7 'uvula':9,10
                                   'search_artist'  'charbonniers':2 'de':3 'enfer':5 'l':4 'lenfer':6 'les':1
                                  'search_release'  'celtic':1 'mouth':2 'music':3
                                     'search_rest'  '1':4,5,6 '1997':12,13 '202k':14,15 '32':18 'arts':10,11 'ellipsis':8,9 'eur':20 'loc':19 'trad':7 'va':1,2 'vbr':16,17 'world':3
                                    'search_combo'  '1':23,24,25 '1997':31,32 '202k':33,34 '32':37 'angry':8A 'arts':29,30 'celtic':17C 'charbonniers':12B 'colere':4A,5A 'de':13B 'ellipsis':27,28 'en':3A 'enfer':15B 'eur':39 'l':14B 'la':1A 'lenfer':16B 'les':11B 'loc':38 'luette':2A 'mouth':18C 'music':19C 'the':6A,7A 'trad':26 'uvula':9A,10A 'va':20,21 'vbr':35,36 'world':22
                                    'tag_tracknum'  32
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['folk', 'folklore', 'quebecois', 'quebec', 'québec']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536192.3370447  (2021-05-09 06:56:32)
                             'size'  3096104