======================== unified (from filesystem) ========================
                                         'bitrate'  '182.283'
                                        'duration'  '247'
                                          'artist'  'Emilie Autumn'
                                     'text_people'  ''
                                         'release'  "4 O'Clock EP"
                                           'title'  'Untitled (Hidden Track)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-4', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'instrumental', 'music box', 'female vocalists', 'darkwave']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '113.644'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "4 O'Clock EP"
'TBPM' (BPM (beats per minute))                     '113.644'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Untitled (Hidden Track)'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Emilie Autumn'
'TRCK' (Track number/Position in set)               '9'
'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:lastfmtags'                                   ['dark ambient', 'instrumental', 'music box', 'female vocalists', 'darkwave']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.04 dB'
'TXXX:replaygain_track_peak'                        '0.457014'

========================== row from database ==========================
                                              'id'  182001
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Emilie Autumn/4_OClock-Limited_Edition-EP-2008/09_emilie_autumn-untitled_(hidden_track).mp3
                                         'working'  None
                                         'bitrate'  182
                                    'duration_sec'  247
                                           'genre'  ifs-songwriter
                                        'filesize'  5647691
                                           'mtime'  1636401722
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 4_OClock Limited_Edition 2008 09_emilie_autumn untitled_(hidden_track) ifs songwriter
                                      'tag_artist'  Emilie Autumn
                                     'tag_release'  4 O'Clock EP
                                       'tag_title'  Untitled (Hidden Track)
                                             'bpm'  113.644
                                    'search_title'  'hidden':2,3 'track':4,5 'untitled':1
                                   'search_artist'  'autumn':2 'emilie':1
                                  'search_release'  '4':1 'clock':3 'ep':5 'o':2 'oclock':4
                                     'search_rest'  '00singer':1 '09':9 '2008':8 '4':4 'autumn':11 'edition':7 'emilie':10 'eos':3 'hidden':13,16 'ifs':18 'limited':6 'oclock':5 'songwriter':2 'track':14,17 'untitled':12,15
                                    'search_combo'  '00singer':13 '09':21 '2008':20 '4':8C,16 'autumn':7B,23 'clock':10C 'edition':19 'emilie':6B,22 'eos':15 'ep':12C 'hidden':2A,3A,25,28 'ifs':30 'limited':18 'o':9C 'oclock':11C,17 'songwriter':14 'track':4A,5A,26,29 'untitled':1A,24,27
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'instrumental', 'music box', 'female vocalists', 'darkwave']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636401721.8539848  (2021-11-08 21:02:01)
                             'size'  5647691