======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '290'
                                          'artist'  'Anno Diaboli'
                                     'text_people'  ''
                                         'release'  'New IV'
                                           'title'  'Lie near my Throne'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['symphonic black metal', 'russian', 'black metal', 'modern black metal', "
 "'extreme metal']")
                                     'discogstags'  "['rock', 'black metal', 'symphonic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'eid-metal-symphonic'
                                             'bpm'  '124.852'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'New IV'
'TBPM' (BPM (beats per minute))                     '124.852'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-symphonic'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Lie near my Throne'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Anno Diaboli'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'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'                                  ['rock', 'black metal', 'symphonic rock']
'TXXX:lastfmtags'                                   ['symphonic black metal',
 'russian',
 'black metal',
 'modern black metal',
 'extreme metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.33 dB'
'TXXX:replaygain_track_peak'                        '0.383296'

========================== row from database ==========================
                                              'id'  1402320
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Metal Compilation - New IV/098.Anno Diaboli - Lie near my Throne1.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  290
                                           'genre'  eid-metal-symphonic
                                        'filesize'  6961152
                                           'mtime'  1620311618
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Metal Compilation 098.Anno Throne1 eid metal symphonic
                                      'tag_artist'  Anno Diaboli
                                     'tag_release'  New IV
                                       'tag_title'  Lie near my Throne
                                             'bpm'  124.852
                                    'search_title'  'lie':1 'my':3 'near':2 'throne':4
                                   'search_artist'  'anno':1 'diaboli':2
                                  'search_release'  'iv':2 'new':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '098':5 '098anno':7 'anno':6 'compilation':4 'eid':9 'metal':3 'symphonic':10 'throne1':8
                                    'search_combo'  '00dwimp':9 '00metal':10 '098':13 '098anno':15 'anno':5B,14 'compilation':12 'diaboli':6B 'eid':17 'iv':8C 'lie':1A 'metal':11 'my':3A 'near':2A 'new':7C 'symphonic':18 'throne':4A 'throne1':16
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['symphonic black metal', 'russian', 'black metal', 'modern black metal', 'extreme metal']
                                        'tag_date'  2012
                                     'discogstags'  ['rock', 'black metal', 'symphonic rock']

============================== file details ==============================
                                           'mtime'  1620311617.7805293  (2021-05-06 16:33:37)
                             'size'  6961152