======================== unified (from filesystem) ========================
                                         'bitrate'  '216.317'
                                        'duration'  '174'
                                          'artist'  'Lukestar'
                                     'text_people'  ''
                                         'release'  'Lake Toba'
                                           'title'  'Your Words Are Fire (Bonus Tra'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', "
 "'q-other-3', 'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'norwegian', 'power pop', 'indie rock', 'norway']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '105.203'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Here is the japanese edition'
'TALB' (Album/Movie/Show title)                     'Lake Toba'
'TBPM' (BPM (beats per minute))                     '105.203'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Your Words Are Fire (Bonus Tra'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lukestar'
'TRCK' (Track number/Position in set)               '13'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'norwegian', 'power pop', 'indie rock', 'norway']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.46 dB'
'TXXX:replaygain_track_peak'                        '0.328153'

========================== row from database ==========================
                                              'id'  1328973
                                            'path'  /data/Music/Bulk/00poprockelectronic/B-Sides/0412 Lukestar - Your Words Are Fire (B).mp3
                                         'working'  None
                                         'bitrate'  216
                                    'duration_sec'  174
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4714154
                                           'mtime'  1637330367
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Sides 0412 (B) ifs songwriter indie rock
                                      'tag_artist'  Lukestar
                                     'tag_release'  Lake Toba
                                       'tag_title'  Your Words Are Fire (Bonus Tra
                                             'bpm'  105.203
                                    'search_title'  'are':3 'bonus':5,6 'fire':4 'tra':7 'words':2 'your':1
                                   'search_artist'  'lukestar':1
                                  'search_release'  'lake':1 'toba':2
                                     'search_rest'  '00poprockelectronic':1 '0412':3 'b':4,5 'ifs':6 'indie':8 'rock':9 'sides':2 'songwriter':7
                                    'search_combo'  '00poprockelectronic':11 '0412':13 'are':3A 'b':14,15 'bonus':5A,6A 'fire':4A 'ifs':16 'indie':18 'lake':9C 'lukestar':8B 'rock':19 'sides':12 'songwriter':17 'toba':10C 'tra':7A 'words':2A 'your':1A
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'norwegian', 'power pop', 'indie rock', 'norway']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330366.5005023  (2021-11-19 14:59:26)
                             'size'  4714154