======================== unified (from filesystem) ========================
                                         'bitrate'  '207.198'
                                        'duration'  '173'
                                          'artist'  'Emilie Autumn'
                                     'text_people'  ''
                                         'release'  'Liar/Dead Is the New Alive'
                                           'title'  'Best Safety Lies in Fear'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-4', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'instrumental', 'music box', 'female vocalists', 'darkwave']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '87.596'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Liar/Dead Is the New Alive'
'TBPM' (BPM (beats per minute))                     '87.596'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Best Safety Lies in Fear'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Emilie Autumn'
'TRCK' (Track number/Position in set)               '4'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.708132'

========================== row from database ==========================
                                              'id'  937596
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Emilie Autumn/Liar_Dead_Is_The_New_Alive-EP-2007/Emilie Autumn - LiarDead Is the New Alive - 04 - Emilie Autumn - Best Safety Lies in Fear.mp3
                                         'working'  None
                                         'bitrate'  207
                                    'duration_sec'  173
                                           'genre'  ifs-songwriter
                                        'filesize'  4490814
                                           'mtime'  1636401732
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Liar_Dead_Is_The_New_Alive EP 2007 LiarDead 04 ifs songwriter
                                      'tag_artist'  Emilie Autumn
                                     'tag_release'  Liar/Dead Is the New Alive
                                       'tag_title'  Best Safety Lies in Fear
                                             'bpm'  87.596
                                    'search_title'  'best':1 'fear':5 'in':4 'lies':3 'safety':2
                                   'search_artist'  'autumn':2 'emilie':1
                                  'search_release'  'alive':7 'dead':2 'is':4 'liar':1 'liardead':3 'new':6 'the':5
                                     'search_rest'  '00singer':1 '2007':11 'alive':9 'dead':5,15 'eos':3 'ep':10 'ifs':13 'is':6 'liar':4,14 'liardead':12 'new':8 'songwriter':2 'the':7
                                    'search_combo'  '00singer':15 '2007':25 'alive':14C,23 'autumn':7B 'best':1A 'dead':9C,19,29 'emilie':6B 'eos':17 'ep':24 'fear':5A 'ifs':27 'in':4A 'is':11C,20 'liar':8C,18,28 'liardead':10C,26 'lies':3A 'new':13C,22 'safety':2A 'songwriter':16 'the':12C,21
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'instrumental', 'music box', 'female vocalists', 'darkwave']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636401731.6888242  (2021-11-08 21:02:11)
                             'size'  4490814