======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '298'
                                          'artist'  'FORMS'
                                     'text_people'  ''
                                         'release'  'Book of Horizons'
                                           'title'  'The End Times'
                                           'quals'  ("['Q-HAP-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['deathcore', 'progressive deathcore', 'beatdown', 'experimental', 'hardcore']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '139.658'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Book of Horizons'
'TBPM' (BPM (beats per minute))                     '139.658'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'The End Times'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'FORMS'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['deathcore', 'progressive deathcore', 'beatdown', 'experimental', 'hardcore']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.21 dB'
'TXXX:replaygain_track_peak'                        '0.462833'

========================== row from database ==========================
                                              'id'  1320769
                                            'path'  /data/Music/Bulk/00poprockelectronic/Secret Chiefs 3/Book of Horizons/secret chiefs 3 - book of horizons - 01 - the end times.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  298
                                           'genre'  eid-unsorted
                                        'filesize'  7163914
                                           'mtime'  1620521278
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Secret Chiefs 3 secret chiefs 3 book horizons 01 the end times eid unsorted
                                      'tag_artist'  FORMS
                                     'tag_release'  Book of Horizons
                                       'tag_title'  The End Times
                                             'bpm'  139.658
                                    'search_title'  'end':2 'the':1 'times':3
                                   'search_artist'  'forms':1
                                  'search_release'  'book':1 'horizons':3 'of':2
                                     'search_rest'  '00poprockelectronic':1 '3':4 'book':5 'chiefs':3 'eid':10 'end':8 'horizons':6 'secret':2 'the':7 'times':9 'unsorted':11
                                    'search_combo'  '00poprockelectronic':8 '3':11 'book':5C,12 'chiefs':10 'eid':17 'end':2A,15 'forms':4B 'horizons':7C,13 'of':6C 'secret':9 'the':1A,14 'times':3A,16 'unsorted':18
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['deathcore', 'progressive deathcore', 'beatdown', 'experimental', 'hardcore']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620521278.0067692  (2021-05-09 02:47:58)
                             'size'  7163914