======================== unified (from filesystem) ========================
                                         'bitrate'  '213.297'
                                        'duration'  '149'
                                          'artist'  'New Moscow'
                                     'text_people'  ''
                                         'release'  'Rough Trade Shops: Counter Culture 06'
                                           'title'  "C'Mon Up"
                                           'quals'  ("['Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', "
 "'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  '[\'swedish\', \'rock\', \'indie\', \'alternative\', "grey\'s anatomy"]'
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '22'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '138.2'
                                             'key'  '3B'
                                        'acoustid'  '222142ab-2998-4519-a416-986aab53d12f'
rest: ''

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

'COMM::eng'                                         '<3 mp3'
'TALB' (Album/Movie/Show title)                     'Rough Trade Shops: Counter Culture 06'
'TBPM' (BPM (beats per minute))                     '138.2'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007-01-29'
'TENC' (Encoded by)                                 'LAME 3.90.3 Modified'
'TIT2' (Title/songname/content description)         "C'Mon Up"
'TKEY' (Initial key)                                '3B'
'TLAN' (Language(s))                                'English'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'New Moscow'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'V2'
'TRCK' (Track number/Position in set)               '17/22'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'New Moscow'
'TXXX:ASIN'                                         'B000KZRKUS'
'TXXX:Acoustid Id'                                  '222142ab-2998-4519-a416-986aab53d12f'
'TXXX:BARCODE'                                      '5033197452920'
'TXXX:CATALOGNUMBER'                                'VVR1045292'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '8736aca5-ceba-4ab2-b87a-5b7be4e3188a'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'adb3d1fd-7bb5-402a-ba98-aab60c7f76da'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['swedish', 'rock', 'indie', 'alternative', "grey's anatomy"]
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.10 dB'
'TXXX:replaygain_track_peak'                        '0.455801'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'087e1278-1d36-4d26-bc19-625b1a458de6')

========================== row from database ==========================
                                              'id'  1415252
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Alva Noto & Ryuichi Sakamoto - Rough Trade Shops - Counter Culture 06 (V2, Inc., 2007) 2cd [vBr]/117-new_moscow-cmon_up.mp3
                                         'working'  None
                                         'bitrate'  213
                                    'duration_sec'  149
                                           'genre'  rock-unsorted
                                        'filesize'  3985670
                                           'mtime'  1620386131
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Alva Noto & Ryuichi Sakamoto (V2, Inc., 2007) 2cd [vBr] 117 new_moscow cmon_up rock unsorted
                                      'tag_artist'  New Moscow
                                     'tag_release'  Rough Trade Shops: Counter Culture 06
                                       'tag_title'  C'Mon Up
                                             'bpm'  138.2
                                    'search_title'  'c':1 'cmon':3 'mon':2 'up':4
                                   'search_artist'  'moscow':2 'new':1
                                  'search_release'  'counter':5 'culture':6 'rough':1 'shops':3,4 'trade':2
                                     'search_rest'  '117':15 '2007':10,11 '2cd':12 'alva':2 'br':24,25 'classicprogpsy':1 'cmon':18 'inc':8,9 'moscow':17 'new':16 'noto':3 'rock':20 'ryuichi':4 'sakamoto':5 'unsorted':21 'up':19 'v':22,23 'v2':6,7 'vbr':13,14
                                    'search_combo'  '117':27 '2007':22,23 '2cd':24 'alva':14 'br':36,37 'c':1A 'classicprogpsy':13 'cmon':3A,30 'counter':11C 'culture':12C 'inc':20,21 'mon':2A 'moscow':6B,29 'new':5B,28 'noto':15 'rock':32 'rough':7C 'ryuichi':16 'sakamoto':17 'shops':9C,10C 'trade':8C 'unsorted':33 'up':4A,31 'v':34,35 'v2':18,19 'vbr':25,26
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'rock', 'indie', 'alternative', "grey's anatomy"]
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620386130.808214  (2021-05-07 13:15:30)
                             'size'  3985670