======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '190'
                                          'artist'  'Harold Fisher'
                                     'text_people'  ''
                                         'release'  'Mechanisation'
                                           'title'  'At Your Service'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['entschleunigen', 'library']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  'A1'
                                      'tracktotal'  ''
                                            'date'  '1982'
                                        'comments'  ''
                                           'genre'  'soundtrack-library'
                                             'bpm'  '132.13'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Mechanisation'
'TBPM' (BPM (beats per minute))                     '132.13'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-library'
'TDRC' (Recording time)                             '1982'
'TIT2' (Title/songname/content description)         'At Your Service'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Harold Fisher'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               'A1'
'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'                                   ['entschleunigen', 'library']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.07 dB'
'TXXX:replaygain_track_peak'                        '0.685769'

========================== row from database ==========================
                                              'id'  348781
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/[bruton] - brl 10 - mechanisation/A1 Harold Fisher - At Your Service.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  190
                                           'genre'  soundtrack-library
                                        'filesize'  7641199
                                           'mtime'  1620523695
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [bruton] brl 10 mechanisation A1 soundtrack library
                                      'tag_artist'  Harold Fisher
                                     'tag_release'  Mechanisation
                                       'tag_title'  At Your Service
                                             'bpm'  132.13
                                    'search_title'  'at':1 'service':3 'your':2
                                   'search_artist'  'fisher':2 'harold':1
                                  'search_release'  'mechanisation':1
                                     'search_rest'  'a1':5 'brl':3 'bruton':1,2 'library':7 'mechanisation':4 'soundtrack':6
                                    'search_combo'  'a1':11 'at':1A 'brl':9 'bruton':7,8 'fisher':5B 'harold':4B 'library':13 'mechanisation':6C,10 'service':3A 'soundtrack':12 'your':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['entschleunigen', 'library']
                                        'tag_date'  1982
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620523695.1004467  (2021-05-09 03:28:15)
                             'size'  7641199