======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '92'
                                          'artist'  'Dredg'
                                     'text_people'  ''
                                         'release'  'El Cielo'
                                           'title'  'Brushstroke: Reprise'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'progressive rock', 'progressive', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '135.910'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'El Cielo'
'TBPM' (BPM (beats per minute))                     '135.910'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Brushstroke: Reprise'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dredg'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'progressive rock', 'progressive', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.35 dB'
'TXXX:replaygain_track_peak'                        '0.833446'

========================== row from database ==========================
                                              'id'  1329361
                                            'path'  /data/Music/Bulk/00poprockelectronic/Dredg/El Cielo/11-dredg-brushstroke_reprise.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  92
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  2234243
                                           'mtime'  1637330405
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 11 dredg brushstroke_reprise ifs songwriter indie rock
                                      'tag_artist'  Dredg
                                     'tag_release'  El Cielo
                                       'tag_title'  Brushstroke: Reprise
                                             'bpm'  135.91
                                    'search_title'  'brushstroke':1,2 'reprise':3
                                   'search_artist'  'dredg':1
                                  'search_release'  'cielo':2 'el':1
                                     'search_rest'  '00poprockelectronic':1 'brushstroke':3 'dredg':2 'ifs':5 'indie':7 'reprise':4 'rock':8 'songwriter':6
                                    'search_combo'  '00poprockelectronic':7 'brushstroke':1A,2A,9 'cielo':6C 'dredg':4B,8 'el':5C 'ifs':11 'indie':13 'reprise':3A,10 'rock':14 'songwriter':12
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'progressive rock', 'progressive', 'rock']
                                        'tag_date'  2002
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330404.7261107  (2021-11-19 15:00:04)
                             'size'  2234243