======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '221'
                                          'artist'  'Snakefinger'
                                     'text_people'  ''
                                         'release'  'Greener Postures'
                                           'title'  'Living In Vain'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['progressive rock', 'alternative', 'avant garde', 'ralph records', "
 "'experimental']")
                                     'discogstags'  "['electronic', 'rock', 'leftfield', 'new wave']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '116.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Greener Postures'
'TBPM' (BPM (beats per minute))                     '116.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Living In Vain'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Snakefinger'
'TRCK' (Track number/Position in set)               '8'
'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:discogstags'                                  ['electronic', 'rock', 'leftfield', 'new wave']
'TXXX:lastfmtags'                                   ['progressive rock',
 'alternative',
 'avant garde',
 'ralph records',
 'experimental']
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.439256'

========================== row from database ==========================
                                              'id'  1372934
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Snakefinger - 1980 - Greener Postures/08 - Living In Vain.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  221
                                           'genre'  electronic-experimental
                                        'filesize'  5324968
                                           'mtime'  1621854330
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1980 08 electronic experimental
                                      'tag_artist'  Snakefinger
                                     'tag_release'  Greener Postures
                                       'tag_title'  Living In Vain
                                             'bpm'  116.7
                                    'search_title'  'in':2 'living':1 'vain':3
                                   'search_artist'  'snakefinger':1
                                  'search_release'  'greener':1 'postures':2
                                     'search_rest'  '1980':1 'electronic':2 'experimental':3
                                    'search_combo'  '1980':7 'electronic':8 'experimental':9 'greener':5C 'in':2A 'living':1A 'postures':6C 'snakefinger':4B 'vain':3A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'alternative', 'avant garde', 'ralph records', 'experimental']
                                        'tag_date'  1980
                                     'discogstags'  ['electronic', 'rock', 'leftfield', 'new wave']

============================== file details ==============================
                                           'mtime'  1621854330.468808  (2021-05-24 13:05:30)
                             'size'  5324968