======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '31'
                                          'artist'  'Laszlo Bencker'
                                     'text_people'  ''
                                         'release'  'Robot Couture Underscores 1'
                                           'title'  'Technoclass (c)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'Q-PLAY-2', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-vocals-1', 'q-mixbeat-2', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['sonne immage', 'fusion', 'electronic', 'smooth jazz', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  'A13'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '126.13'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Robot Couture Underscores 1'
'TBPM' (BPM (beats per minute))                     '126.13'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Technoclass (c)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Laszlo Bencker'
'TPE2' (Band/orchestra/accompaniment)               'Laszlo Bencker'
'TRCK' (Track number/Position in set)               'A13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['sonne immage', 'fusion', 'electronic', 'smooth jazz', 'easy listening']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.22 dB'
'TXXX:replaygain_track_peak'                        '0.698337'

========================== row from database ==========================
                                              'id'  983380
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0electronic/[sonoton] - son 296 - laszlo bencker - robot couture underscores 1/A13 Laszlo Bencker - Technoclass (c).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  31
                                           'genre'  electronic-unsorted
                                        'filesize'  1277032
                                           'mtime'  1641489641
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0electronic [sonoton] son 296 laszlo bencker robot couture underscores A13 electronic unsorted
                                      'tag_artist'  Laszlo Bencker
                                     'tag_release'  Robot Couture Underscores 1
                                       'tag_title'  Technoclass (c)
                                             'bpm'  126.13
                                    'search_title'  'c':2,3 'technoclass':1
                                   'search_artist'  'bencker':2 'laszlo':1
                                  'search_release'  '1':4 'couture':2 'robot':1 'underscores':3
                                     'search_rest'  '0electronic':1 '296':5 'a13':11 'bencker':7 'couture':9 'electronic':12 'laszlo':6 'robot':8 'son':4 'sonoton':2,3 'underscores':10 'unsorted':13
                                    'search_combo'  '0electronic':10 '1':9C '296':14 'a13':20 'bencker':5B,16 'c':2A,3A 'couture':7C,18 'electronic':21 'laszlo':4B,15 'robot':6C,17 'son':13 'sonoton':11,12 'technoclass':1A 'underscores':8C,19 'unsorted':22
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-PLAY-2', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-chart-1', 'q-drums-4', 'q-other-3', 'q-vocals-1', 'q-mixbeat-2', 'Q-PIANO-2']
                                      'lastfmtags'  ['sonne immage', 'fusion', 'electronic', 'smooth jazz', 'easy listening']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1641489640.8484833  (2022-01-06 18:20:40)
                             'size'  1277032