======================== unified (from filesystem) ========================
                                         'bitrate'  '206.152'
                                        'duration'  '191'
                                          'artist'  'Klaus Nomi'
                                     'text_people'  ''
                                         'release'  'Essential'
                                           'title'  'Ding-Dong'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'new wave', '80s', 'avant garde', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-experimental;electronic-we-new wave or post punk'
                                             'bpm'  '121.6'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Essential'
'TBPM' (BPM (beats per minute))                     '121.6'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental', 'electronic-we-new wave or post punk']
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'Free Mp3 Wma Converter'
'TIT2' (Title/songname/content description)         'Ding-Dong'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Klaus Nomi'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['german', 'new wave', '80s', 'avant garde', 'experimental']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.32 dB'
'TXXX:replaygain_track_peak'                        '0.633351'

========================== row from database ==========================
                                              'id'  463427
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Klaus Nomi/Klaus Nomi - Essential/19 Ding-Dong.mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  191
                                           'genre'  electronic-experimental;electronic-we-new wave or post punk
                                        'filesize'  4928386
                                           'mtime'  1622658640
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 19 electronic experimental;electronic we new wave or post punk
                                      'tag_artist'  Klaus Nomi
                                     'tag_release'  Essential
                                       'tag_title'  Ding-Dong
                                             'bpm'  121.6
                                    'search_title'  'ding':1 'dingdong':3 'dong':2
                                   'search_artist'  'klaus':1 'nomi':2
                                  'search_release'  'essential':1
                                     'search_rest'  '19':1 'electronic':2,4,6 'experimental':3,5 'new':8 'or':10 'post':11 'punk':12 'wave':9 'we':7
                                    'search_combo'  '19':7 'ding':1A 'dingdong':3A 'dong':2A 'electronic':8,10,12 'essential':6C 'experimental':9,11 'klaus':4B 'new':14 'nomi':5B 'or':16 'post':17 'punk':18 'wave':15 'we':13
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', '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-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['german', 'new wave', '80s', 'avant garde', 'experimental']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622658639.545698  (2021-06-02 20:30:39)
                             'size'  4928386