======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '251'
                                          'artist'  'Magnus'
                                     'text_people'  ''
                                         'release'  'A Campingflight To Lowlands Pa'
                                           'title'  'Jumpneedle'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['belgium', 'electronic', 'thrash metal', 'death metal', 'belgian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '135.1'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'A Campingflight To Lowlands Pa'
'TBPM' (BPM (beats per minute))                     '135.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Jumpneedle'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Magnus'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['belgium', 'electronic', 'thrash metal', 'death metal', 'belgian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.55 dB'
'TXXX:replaygain_track_peak'                        '0.467408'

========================== row from database ==========================
                                              'id'  762844
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Elektronikzeugs/Magnus - Jumpneedle.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  251
                                           'genre'  electronic-unsorted
                                        'filesize'  4029704
                                           'mtime'  1620536661
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Elektronikzeugs electronic unsorted
                                      'tag_artist'  Magnus
                                     'tag_release'  A Campingflight To Lowlands Pa
                                       'tag_title'  Jumpneedle
                                             'bpm'  135.1
                                    'search_title'  'jumpneedle':1
                                   'search_artist'  'magnus':1
                                  'search_release'  'a':1 'campingflight':2 'lowlands':4 'pa':5 'to':3
                                     'search_rest'  'electronic':2 'elektronikzeugs':1 'unsorted':3
                                    'search_combo'  'a':3C 'campingflight':4C 'electronic':9 'elektronikzeugs':8 'jumpneedle':1A 'lowlands':6C 'magnus':2B 'pa':7C 'to':5C 'unsorted':10
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['belgium', 'electronic', 'thrash metal', 'death metal', 'belgian']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536661.1954927  (2021-05-09 07:04:21)
                             'size'  4029704