======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '266'
                                          'artist'  'Nina Hagen'
                                     'text_people'  ''
                                         'release'  'Love'
                                           'title'  'My way'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'new wave', 'post punk', 'punk', 'female vocalists']"
                                     'discogstags'  "['electronic', 'rock', 'new wave', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '100.555'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Love'
'TBPM' (BPM (beats per minute))                     '100.555'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'My way'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nina Hagen'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'new wave', 'synth-pop']
'TXXX:lastfmtags'                                   ['german', 'new wave', 'post punk', 'punk', 'female vocalists']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.26 dB'
'TXXX:replaygain_track_peak'                        '0.531644'

========================== row from database ==========================
                                              'id'  190061
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Nina Hagen/Nina Hagen-Spare Tracks/Nina Hagen - my way.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  266
                                           'genre'  ifs-songwriter
                                        'filesize'  4257347
                                           'mtime'  1636400392
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Spare Tracks my ifs songwriter
                                      'tag_artist'  Nina Hagen
                                     'tag_release'  Love
                                       'tag_title'  My way
                                             'bpm'  100.555
                                    'search_title'  'my':1 'way':2
                                   'search_artist'  'hagen':2 'nina':1
                                  'search_release'  'love':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':7 'my':6 'songwriter':2 'spare':4 'tracks':5
                                    'search_combo'  '00singer':6 'eos':8 'hagen':4B 'ifs':12 'love':5C 'my':1A,11 'nina':3B 'songwriter':7 'spare':9 'tracks':10 'way':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['german', 'new wave', 'post punk', 'punk', 'female vocalists']
                                        'tag_date'  1987
                                     'discogstags'  ['electronic', 'rock', 'new wave', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1636400392.1263232  (2021-11-08 20:39:52)
                             'size'  4257347