======================== unified (from filesystem) ========================
                                         'bitrate'  '230.147'
                                        'duration'  '200'
                                          'artist'  'Negativland'
                                     'text_people'  ''
                                         'release'  'Helter Stupid'
                                           'title'  'The Perfect Cut (Piece of Meat)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-UNU-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronic', 'noise', 'avant garde', 'experimental', 'sampling']"
                                     'discogstags'  "['rock', 'non-music', 'abstract', 'experimental', 'sound art']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '9'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '116.1'
                                             'key'  '6A'
                                        'acoustid'  'b208264b-b4cd-4e79-95d7-fca51f54d1d8'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Helter Stupid'
'TBPM' (BPM (beats per minute))                     '116.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDOR' (Original release time)                      '1989'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'The Perfect Cut (Piece of Meat)'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Negativland'
'TPE2' (Band/orchestra/accompaniment)               'Negativland'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'RecRec Music'
'TRCK' (Track number/Position in set)               '6/9'
'TSO2'                                              'Negativland'
'TSOP' (Performer sort order)                       'Negativland'
'TXXX:Acoustid Id'                                  'b208264b-b4cd-4e79-95d7-fca51f54d1d8'
'TXXX:CATALOGNUMBER'                                'RecRec 29'
'TXXX:MusicBrainz Album Artist Id'                  '78c1866f-92d8-4180-98ea-fe88121aa195'
'TXXX:MusicBrainz Album Id'                         '51c4c808-2efc-3733-95a8-9a50373c7f66'
'TXXX:MusicBrainz Album Release Country'            'CH'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '78c1866f-92d8-4180-98ea-fe88121aa195'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'non-music', 'abstract', 'experimental', 'sound art']
'TXXX:lastfmtags'                                   ['electronic', 'noise', 'avant garde', 'experimental', 'sampling']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.50 dB'
'TXXX:replaygain_track_peak'                        '0.592372'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a7519147-6d85-4f44-8a53-505b66e3bc77')

========================== row from database ==========================
                                              'id'  644330
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Negativland - Helter Stupid (1989) [V0]/06 - The Perfect Cut (Piece of Meat).mp3
                                         'working'  None
                                         'bitrate'  230
                                    'duration_sec'  200
                                           'genre'  electronic-experimental
                                        'filesize'  5779807
                                           'mtime'  1636916964
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (1989) [V0] 06 electronic experimental
                                      'tag_artist'  Negativland
                                     'tag_release'  Helter Stupid
                                       'tag_title'  The Perfect Cut (Piece of Meat)
                                             'bpm'  116.1
                                    'search_title'  'cut':3 'meat':7,8 'of':6 'perfect':2 'piece':4,5 'the':1
                                   'search_artist'  'negativland':1
                                  'search_release'  'helter':1 'stupid':2
                                     'search_rest'  '1989':1,2 'electronic':5 'experimental':6 'v0':3,4
                                    'search_combo'  '1989':12,13 'cut':3A 'electronic':16 'experimental':17 'helter':10C 'meat':7A,8A 'negativland':9B 'of':6A 'perfect':2A 'piece':4A,5A 'stupid':11C 'the':1A 'v0':14,15
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'noise', 'avant garde', 'experimental', 'sampling']
                                        'tag_date'  1989
                                     'discogstags'  ['rock', 'non-music', 'abstract', 'experimental', 'sound art']

============================== file details ==============================
                                           'mtime'  1636916964.2407553  (2021-11-14 20:09:24)
                             'size'  5779807