======================== unified (from filesystem) ========================
                                         'bitrate'  '319.725'
                                        'duration'  '103'
                                          'artist'  'Epica'
                                     'text_people'  ''
                                         'release'  'Consign to Oblivion'
                                           'title'  "Hunab K'u (A New Age Dawns, Pr"
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['metal', 'female fronted metal', 'symphonic metal', 'female vocalists', "
 "'gothic metal']")
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-goth or gothrock-gothrock'
                                             'bpm'  '120.113'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Consign to Oblivion'
'TBPM' (BPM (beats per minute))                     '120.113'
'TCON' (Content type, a.k.a. Genre)                 'eid-goth or gothrock-gothrock'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         "Hunab K'u (A New Age Dawns, Pr"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Epica'
'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'                                        '2'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['metal',
 'female fronted metal',
 'symphonic metal',
 'female vocalists',
 'gothic metal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.02 dB'
'TXXX:replaygain_track_peak'                        '0.358055'

========================== row from database ==========================
                                              'id'  1521603
                                            'path'  /data/Music/Bulk/00dwimp/Epica/01. Hunab K_u (A New Age Dawns, Prologue).mp3
                                         'working'  None
                                         'bitrate'  319
                                    'duration_sec'  103
                                           'genre'  eid-goth or gothrock-gothrock
                                        'filesize'  4146675
                                           'mtime'  1620300801
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 01. K_u Prologue) eid goth or gothrock gothrock
                                      'tag_artist'  Epica
                                     'tag_release'  Consign to Oblivion
                                       'tag_title'  Hunab K'u (A New Age Dawns, Pr
                                             'bpm'  120.113
                                    'search_title'  'a':5,6 'age':8 'dawns':9,10 'hunab':1 'k':2 'ku':4 'new':7 'pr':11 'u':3
                                   'search_artist'  'epica':1
                                  'search_release'  'consign':1 'oblivion':3 'to':2
                                     'search_rest'  '00dwimp':1 '01':2,3 'eid':8 'goth':9 'gothrock':11 'k':4 'or':10 'prologue':6,7 'u':5
                                    'search_combo'  '00dwimp':16 '01':17,18 'a':5A,6A 'age':8A 'consign':13C 'dawns':9A,10A 'eid':23 'epica':12B 'goth':24 'gothrock':26 'hunab':1A 'k':2A,19 'ku':4A 'new':7A 'oblivion':15C 'or':25 'pr':11A 'prologue':21,22 'to':14C 'u':3A,20
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['metal', 'female fronted metal', 'symphonic metal', 'female vocalists', 'gothic metal']
                                        'tag_date'  2005
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1620300800.979403  (2021-05-06 13:33:20)
                             'size'  4146675