======================== unified (from filesystem) ========================
                                         'bitrate'  '241.448'
                                        'duration'  '215'
                                          'artist'  "Leaves' Eyes"
                                     'text_people'  ''
                                         'release'  'Legend Land'
                                           'title'  "Viking's word"
                                           '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-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['metal', 'female fronted metal', 'symphonic metal', 'female vocalists', "
 "'gothic metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal-doom or gothic'
                                             'bpm'  '101'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{#\x00\x00'                      PRIV(owner='AverageLevel', data=b'{#\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Legend Land'
'TBPM' (BPM (beats per minute))                     '101'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-doom or gothic'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         "Viking's word"
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               "Leaves' Eyes"
'TRCK' (Track number/Position in set)               '3'
'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'
'TXXX:lastfmtags'                                   ['metal',
 'female fronted metal',
 'symphonic metal',
 'female vocalists',
 'gothic metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.49 dB'
'TXXX:replaygain_track_peak'                        '0.332357'

========================== row from database ==========================
                                              'id'  1534028
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Leaves_ Eyes/Legend Land/03-leaves_eyes-vikings_word-qtxmp3.mp3
                                         'working'  None
                                         'bitrate'  241
                                    'duration_sec'  215
                                           'genre'  eid-metal-doom or gothic
                                        'filesize'  6504102
                                           'mtime'  1620310302
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Leaves_ 03 leaves_eyes vikings_word qtxmp3 eid metal doom gothic
                                      'tag_artist'  Leaves' Eyes
                                     'tag_release'  Legend Land
                                       'tag_title'  Viking's word
                                             'bpm'  101.0
                                    'search_title'  's':2 'viking':1 'vikings':3 'word':4
                                   'search_artist'  'eyes':3 'leaves':1,2
                                  'search_release'  'land':2 'legend':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'doom':11 'eid':9 'eyes':5 'gothic':12 'leaves':3,4 'metal':10 'qtxmp3':8 'vikings':6 'word':7
                                    'search_combo'  '00dwimp':10 '00metal':11 'doom':20 'eid':18 'eyes':7B,14 'gothic':21 'land':9C 'leaves':5B,6B,12,13 'legend':8C 'metal':19 'qtxmp3':17 's':2A 'viking':1A 'vikings':3A,15 'word':4A,16
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['metal', 'female fronted metal', 'symphonic metal', 'female vocalists', 'gothic metal']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620310301.6831472  (2021-05-06 16:11:41)
                             'size'  6504102