======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '198'
                                          'artist'  'Alamo Race Track'
                                     'text_people'  ''
                                         'release'  'Birds At Home'
                                           'title'  'Speed Up'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'rock', 'indie rock', 'dutch']"
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '96'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'E\x00+\x009\x006\x00+\x002\x00A\x003\x004\x00+\x006\x00B\x00F\x00C\x00+\x00A\x00A\x001\x00E\x00+\x00D\x00F\x007\x003\x00+\x001\x001\x008\x00C\x00F\x00+\x001\x005\x00F\x00D\x003\x00+\x001\x00B\x004\x008\x000\x00+\x001\x00E\x00E\x009\x008\x00+\x002\x001\x009\x00B\x00C\x00+\x002\x002\x00E\x00E\x000\x00+\x002\x006\x00A\x00E\x003\x00+\x002\x009\x00F\x003\x006\x00+\x002\x00D\x00A\x001\x00B\x00+\x003\x001\x005\x008\x00B\x00\x00\x00')
'PRIV:AverageLevel:É!\x00\x00'                      PRIV(owner='AverageLevel', data=b'\xc9!\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\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')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Birds At Home'
'TBPM' (BPM (beats per minute))                     '96'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Speed Up'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Alamo Race Track'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'alternative rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'rock', 'indie rock', 'dutch']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.58 dB'
'TXXX:replaygain_track_peak'                        '0.421156'

========================== row from database ==========================
                                              'id'  1374360
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Alamo Race Track/Birds At Home [2003]/08 Speed Up.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  198
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  3176448
                                           'mtime'  1621692902
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock [2003] 08 ifs songwriter indie rock
                                      'tag_artist'  Alamo Race Track
                                     'tag_release'  Birds At Home
                                       'tag_title'  Speed Up
                                             'bpm'  96.0
                                    'search_title'  'speed':1 'up':2
                                   'search_artist'  'alamo':1 'race':2 'track':3
                                  'search_release'  'at':2 'birds':1 'home':3
                                     'search_rest'  '00poprockelectronic':1 '2003':4,5 'ifs':6 'indie':8 'indierock':3 'poprock':2 'rock':9 'songwriter':7
                                    'search_combo'  '00poprockelectronic':9 '2003':12,13 'alamo':3B 'at':7C 'birds':6C 'home':8C 'ifs':14 'indie':16 'indierock':11 'poprock':10 'race':4B 'rock':17 'songwriter':15 'speed':1A 'track':5B 'up':2A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'rock', 'indie rock', 'dutch']
                                        'tag_date'  2003
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1621692901.6154346  (2021-05-22 16:15:01)
                             'size'  3176448