======================== unified (from filesystem) ========================
                                         'bitrate'  '320.013'
                                        'duration'  '243'
                                          'artist'  'Klaus Nomi'
                                     'text_people'  ''
                                         'release'  'Encore!'
                                           'title'  'Cold Song'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'new wave', '80s', 'avant garde', 'experimental']"
                                     'discogstags'  "['rock', 'pop', 'new wave', 'glam']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  'electronic-experimental;electronic-we-new wave or post punk'
                                             'bpm'  '84.6'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Encore!'
'TBPM' (BPM (beats per minute))                     '84.6'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental', 'electronic-we-new wave or post punk']
'TDRC' (Recording time)                             '1984'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Sicherer Modus)'
'TIT2' (Title/songname/content description)         'Cold Song'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Klaus Nomi'
'TRCK' (Track number/Position in set)               '02'
'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:discogstags'                                  ['rock', 'pop', 'new wave', 'glam']
'TXXX:lastfmtags'                                   ['german', 'new wave', '80s', 'avant garde', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.29 dB'
'TXXX:replaygain_track_peak'                        '0.614760'

========================== row from database ==========================
                                              'id'  272914
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Klaus Nomi/Klaus Nomi - Encore! - 1983/02 Klaus Nomi - Cold Song.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  243
                                           'genre'  electronic-experimental;electronic-we-new wave or post punk
                                        'filesize'  9763879
                                           'mtime'  1622658636
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1983 02 electronic experimental;electronic we new wave post punk
                                      'tag_artist'  Klaus Nomi
                                     'tag_release'  Encore!
                                       'tag_title'  Cold Song
                                             'bpm'  84.6
                                    'search_title'  'cold':1 'song':2
                                   'search_artist'  'klaus':1 'nomi':2
                                  'search_release'  'encore':1
                                     'search_rest'  '1983':1 'electronic':2,4,6 'experimental':3,5 'new':8 'post':10 'punk':11 'wave':9 'we':7
                                    'search_combo'  '1983':6 'cold':1A 'electronic':7,9,11 'encore':5C 'experimental':8,10 'klaus':3B 'new':13 'nomi':4B 'post':15 'punk':16 'song':2A 'wave':14 'we':12
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'new wave', '80s', 'avant garde', 'experimental']
                                        'tag_date'  1984
                                     'discogstags'  ['rock', 'pop', 'new wave', 'glam']

============================== file details ==============================
                                           'mtime'  1622658635.886812  (2021-06-02 20:30:35)
                             'size'  9763879