======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '214'
                                          'artist'  'The Legendary Pink Dots'
                                     'text_people'  ''
                                         'release'  'Island of Jewels'
                                           'title'  'Rattlesnake Arena'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['industrial', 'electronic', 'psychedelic', 'experimental', 'avantgarde']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  '12'
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '137.9'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Island of Jewels'
'TBPM' (BPM (beats per minute))                     '137.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'Rattlesnake Arena'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Legendary Pink Dots'
'TRCK' (Track number/Position in set)               '06/12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['industrial', 'electronic', 'psychedelic', 'experimental', 'avantgarde']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                        '+0.35 dB'
'TXXX:replaygain_track_peak'                        '0.415717'

========================== row from database ==========================
                                              'id'  1381102
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Legendary Pink Dots - Legendary Pink Dots, The - Island of Jewels [1986]/06 - Rattlesnake Arena.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  214
                                           'genre'  electronic-experimental
                                        'filesize'  3439362
                                           'mtime'  1622658669
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Dots, [1986] 06 electronic experimental
                                      'tag_artist'  The Legendary Pink Dots
                                     'tag_release'  Island of Jewels
                                       'tag_title'  Rattlesnake Arena
                                             'bpm'  137.9
                                    'search_title'  'arena':2 'rattlesnake':1
                                   'search_artist'  'dots':4 'legendary':2 'pink':3 'the':1
                                  'search_release'  'island':1 'jewels':3 'of':2
                                     'search_rest'  '1986':3,4 'dots':1,2 'electronic':5 'experimental':6
                                    'search_combo'  '1986':12,13 'arena':2A 'dots':6B,10,11 'electronic':14 'experimental':15 'island':7C 'jewels':9C 'legendary':4B 'of':8C 'pink':5B 'rattlesnake':1A 'the':3B
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  11B
                                           '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'electronic', 'psychedelic', 'experimental', 'avantgarde']
                                        'tag_date'  1986
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622658668.9827294  (2021-06-02 20:31:08)
                             'size'  3439362