======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '161'
                                          'artist'  'Seeed'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ''
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['german', 'reggae', 'berlin', 'dancehall', 'german reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-unsorted;loc-eur-germany'
                                             'bpm'  '130.1'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'POPM:'                                             POPM(email='', rating=128, count=0)
'TBPM' (BPM (beats per minute))                     '130.1'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-reggae or dub or ska or dancehall-unsorted', 'loc-eur-germany']
'TDRC' (Recording time)                             '2003'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Seeed'
'TRCK' (Track number/Position in set)               '13'
'TXXX:ALBUM'                                        'Music Monks'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:TITLE'                                        'Hidden'
'TXXX:lastfmtags'                                   ['german', 'reggae', 'berlin', 'dancehall', 'german reggae']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-9.84 dB'
'TXXX:replaygain_track_peak'                        '0.862975'

========================== row from database ==========================
                                              'id'  1290765
                                            'path'  /data/Music/Bulk/00poprockelectronic/Seeed/Music Monks/Seeed - 13 - Fire In The Morning (Hidden Track).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  161
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted;loc-eur-germany
                                        'filesize'  6463739
                                           'mtime'  1620524825
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Music Monks 13 Fire In The Morning (Hidden Track) loc style reggae or dub or ska or dancehall unsorted;loc eur germany
                                      'tag_artist'  Seeed
                                     'tag_release'  None
                                       'tag_title'  None
                                             'bpm'  130.1
                                    'search_title'  None
                                   'search_artist'  'seeed':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'dancehall':18 'dub':16 'eur':23 'fire':4 'germany':24 'hidden':8,9 'in':5 'loc':12,20,22 'monks':3 'morning':7 'music':2 'or':15 'reggae':14 'ska':17 'style':13 'the':6 'track':10,11 'unsorted':19,21
                                    'search_combo'  '00poprockelectronic':2 'dancehall':19 'dub':17 'eur':24 'fire':5 'germany':25 'hidden':9,10 'in':6 'loc':13,21,23 'monks':4 'morning':8 'music':3 'or':16 'reggae':15 'seeed':1B 'ska':18 'style':14 'the':7 'track':11,12 'unsorted':20,22
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-piano-1', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'reggae', 'berlin', 'dancehall', 'german reggae']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524824.940315  (2021-05-09 03:47:04)
                             'size'  6463739