======================== unified (from filesystem) ========================
                                         'bitrate'  '168.261'
                                        'duration'  '186'
                                          'artist'  'Matmos'
                                     'text_people'  ''
                                         'release'  'Matmos'
                                           'title'  'Plastic minor'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'glitch', 'idm', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '91.8'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Matmos'
'TBPM' (BPM (beats per minute))                     '91.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Plastic minor'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Matmos'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'glitch', 'idm', 'electronic', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.41 dB'
'TXXX:replaygain_track_peak'                        '0.929680'

========================== row from database ==========================
                                              'id'  316884
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/1997 - Matmos - Matmos (Vague Terrain) [172-320kvbr]/02 - Plastic minor.mp3
                                         'working'  None
                                         'bitrate'  168
                                    'duration_sec'  186
                                           'genre'  electronic-experimental
                                        'filesize'  3935513
                                           'mtime'  1636916786
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1997 (Vague Terrain) [172 320kvbr] 02 electronic experimental
                                      'tag_artist'  Matmos
                                     'tag_release'  Matmos
                                       'tag_title'  Plastic minor
                                             'bpm'  91.8
                                    'search_title'  'minor':2 'plastic':1
                                   'search_artist'  'matmos':1
                                  'search_release'  'matmos':1
                                     'search_rest'  '172':6,7 '1997':1 '320kvbr':8,9 'electronic':10 'experimental':11 'terrain':4,5 'vague':2,3
                                    'search_combo'  '172':10,11 '1997':5 '320kvbr':12,13 'electronic':14 'experimental':15 'matmos':3B,4C 'minor':2A 'plastic':1A 'terrain':8,9 'vague':6,7
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'glitch', 'idm', 'electronic', 'experimental']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636916785.946553  (2021-11-14 20:06:25)
                             'size'  3935513