======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '61'
                                          'artist'  'Klaus Nomi'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Za Bak Daz'
                                           'quals'  ("['Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'new wave', '80s', 'avant garde', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1979'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;electronic-we-new wave or post punk'
                                             'bpm'  '115.3'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '115.3'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted',
 'electronic-unsorted',
 'electronic-we-new wave or post punk']
'TDRC' (Recording time)                             '1979'
'TIT2' (Title/songname/content description)         'Za Bak Daz'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Klaus Nomi'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['german', 'new wave', '80s', 'avant garde', 'experimental']
'TXXX:q-bass'                                       '3'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.33 dB'
'TXXX:replaygain_track_peak'                        '0.577043'

========================== row from database ==========================
                                              'id'  286911
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Klaus Nomi/Klaus Nomi - Rare Tracks/- Za Bak Daz.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  61
                                           'genre'  electronic-unsorted;electronic-we-new wave or post punk
                                        'filesize'  991747
                                           'mtime'  1620539085
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Rare Tracks electronic unsorted;electronic we new wave or post punk
                                      'tag_artist'  Klaus Nomi
                                     'tag_release'  None
                                       'tag_title'  Za Bak Daz
                                             'bpm'  115.3
                                    'search_title'  'bak':2 'daz':3 'za':1
                                   'search_artist'  'klaus':1 'nomi':2
                                  'search_release'  
                                     'search_rest'  'electronic':3,5,7 'new':9 'or':11 'post':12 'punk':13 'rare':1 'tracks':2 'unsorted':4,6 'wave':10 'we':8
                                    'search_combo'  'bak':2A 'daz':3A 'electronic':8,10,12 'klaus':4B 'new':14 'nomi':5B 'or':16 'post':17 'punk':18 'rare':6 'tracks':7 'unsorted':9,11 'wave':15 'we':13 'za':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['german', 'new wave', '80s', 'avant garde', 'experimental']
                                        'tag_date'  1979
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620539084.7521565  (2021-05-09 07:44:44)
                             'size'  991747