======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '157'
                                          'artist'  'Apparat'
                                     'text_people'  ''
                                         'release'  'Krieg und Frieden (Music For Theatre)'
                                           'title'  '44'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'idm', 'electronic', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  '10'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '108.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.FILE_ICON (32x32 pixels file icon) b''
                                     
'POPM:no@email'                                     POPM(email='no@email', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Krieg und Frieden (Music For Theatre)'
'TBPM' (BPM (beats per minute))                     '108.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2013'
'TIT1' (Content group description)                  '4'
'TIT2' (Title/songname/content description)         '44'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Apparat'
'TPE2' (Band/orchestra/accompaniment)               'Apparat'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '01/10'
'TXXX:DATE'                                         '2013'
'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:lastfmtags'                                   ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.09 dB'
'TXXX:replaygain_track_peak'                        '0.423076'

========================== row from database ==========================
                                              'id'  1306941
                                            'path'  /data/Music/Bulk/00poprockelectronic/Chronos - chillout-dub/Apparat - 44.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  157
                                           'genre'  electronic
                                        'filesize'  6419375
                                           'mtime'  1636913848
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Chronos chillout dub electronic
                                      'tag_artist'  Apparat
                                     'tag_release'  Krieg und Frieden (Music For Theatre)
                                       'tag_title'  44
                                             'bpm'  108.7
                                    'search_title'  '44':1
                                   'search_artist'  'apparat':1
                                  'search_release'  'for':6 'frieden':3 'krieg':1 'music':4,5 'theatre':7,8 'und':2
                                     'search_rest'  '00poprockelectronic':1 'chillout':3 'chronos':2 'dub':4 'electronic':5
                                    'search_combo'  '00poprockelectronic':11 '44':1A 'apparat':2B 'chillout':13 'chronos':12 'dub':14 'electronic':15 'for':8C 'frieden':5C 'krieg':3C 'music':6C,7C 'theatre':9C,10C 'und':4C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913848.0879874  (2021-11-14 19:17:28)
                             'size'  6419375