======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '29'
                                          'artist'  'Domotic'
                                     'text_people'  ''
                                         'release'  'Ask for Tiger'
                                           'title'  'Self Service & Robots'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'glitch', 'electronic', 'experimental', 'french']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-sced'
                                             'bpm'  '144.233'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000013A 0000012D 0000093D'
'COMM:iTunNORM:eng'                                 (' 0000013A 0000012D 0000093D 000008AB 00002EA0 00002EA0 00003553 000032B6 '
 '00002EA0 00002EA0')
'TALB' (Album/Movie/Show title)                     'Ask for Tiger'
'TBPM' (BPM (beats per minute))                     '144.233'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-sced']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Self Service & Robots'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Domotic'
'TPE2' (Band/orchestra/accompaniment)               'Domotic'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'glitch', 'electronic', 'experimental', 'french']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.01 dB'
'TXXX:replaygain_track_peak'                        '0.638997'

========================== row from database ==========================
                                              'id'  1289484
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Domotic/[2005] Ask for Tiger/06 Self Service & Robots.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  29
                                           'genre'  electronic-unsorted;set-pl-sced
                                        'filesize'  750705
                                           'mtime'  1621628574
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [2005] 06 electronic unsorted;set pl sced
                                      'tag_artist'  Domotic
                                     'tag_release'  Ask for Tiger
                                       'tag_title'  Self Service & Robots
                                             'bpm'  144.233
                                    'search_title'  'robots':3 'self':1 'service':2
                                   'search_artist'  'domotic':1
                                  'search_release'  'ask':1 'for':2 'tiger':3
                                     'search_rest'  '2005':1,2 'electronic':3 'pl':8 'sced':9 'set':5,7 'unsorted':4,6
                                    'search_combo'  '2005':8,9 'ask':5C 'domotic':4B 'electronic':10 'for':6C 'pl':15 'robots':3A 'sced':16 'self':1A 'service':2A 'set':12,14 'tiger':7C 'unsorted':11,13
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'glitch', 'electronic', 'experimental', 'french']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621628574.1862965  (2021-05-21 22:22:54)
                             'size'  750705