======================== unified (from filesystem) ========================
                                         'bitrate'  '159.806'
                                        'duration'  '415'
                                          'artist'  'The Legendary Pink Dots'
                                     'text_people'  ''
                                         'release'  'Your Children Placate You From Premature Graves'
                                           'title'  'Stigmata Part 4'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-UNU-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-vocals-2', 'q-mixbeat-1', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  "['industrial', 'electronic', 'psychedelic', 'experimental', 'avantgarde']"
                                     'discogstags'  "['electronic', 'rock', 'abstract', 'psychedelic rock', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  '11'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '120.5'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Your Children Placate You From Premature Graves'
'TBPM' (BPM (beats per minute))                     '120.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Stigmata Part 4'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Legendary Pink Dots'
'TRCK' (Track number/Position in set)               '03/11'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'rock', 'abstract', 'psychedelic rock', 'experimental']
'TXXX:lastfmtags'                                   ['industrial', 'electronic', 'psychedelic', 'experimental', 'avantgarde']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.78 dB'
'TXXX:replaygain_track_peak'                        '0.783150'

========================== row from database ==========================
                                              'id'  1376412
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Legendary Pink Dots - Legendary Pink Dots, The - Your Children Placate You From Premature Graves [2006]/03 - Stigmata Part 4.mp3
                                         'working'  None
                                         'bitrate'  159
                                    'duration_sec'  415
                                           'genre'  electronic-experimental
                                        'filesize'  8309400
                                           'mtime'  1636917057
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Dots, [2006] 03 electronic experimental
                                      'tag_artist'  The Legendary Pink Dots
                                     'tag_release'  Your Children Placate You From Premature Graves
                                       'tag_title'  Stigmata Part 4
                                             'bpm'  120.5
                                    'search_title'  '4':3 'part':2 'stigmata':1
                                   'search_artist'  'dots':4 'legendary':2 'pink':3 'the':1
                                  'search_release'  'children':2 'from':5 'graves':7 'placate':3 'premature':6 'you':4 'your':1
                                     'search_rest'  '2006':3,4 'dots':1,2 'electronic':5 'experimental':6
                                    'search_combo'  '2006':17,18 '4':3A 'children':9C 'dots':7B,15,16 'electronic':19 'experimental':20 'from':12C 'graves':14C 'legendary':5B 'part':2A 'pink':6B 'placate':10C 'premature':13C 'stigmata':1A 'the':4B 'you':11C 'your':8C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'electronic', 'psychedelic', 'experimental', 'avantgarde']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'rock', 'abstract', 'psychedelic rock', 'experimental']

============================== file details ==============================
                                           'mtime'  1636917056.7461157  (2021-11-14 20:10:56)
                             'size'  8309400