======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '109'
                                          'artist'  'Sutterlin'
                                     'text_people'  ''
                                         'release'  'Bandscheibe'
                                           'title'  'Hammerschlag'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['german', 'minimal synth', 'minimal wave']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '16'
                                            'date'  '1982'
                                        'comments'  ''
                                           'genre'  'electronic-experimental;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '117.195'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000001AD 0000012A 00000FEA 00001030 00015D97 00015D7D 00005195 0000519E '
 '00015539 00015D63')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008F0 000000000049C000 00000000 003571A2 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Bandscheibe'
'TBPM' (BPM (beats per minute))                     '117.195'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1982'
'TENC' (Encoded by)                                 'iTunes 8.2.1'
'TIT2' (Title/songname/content description)         'Hammerschlag'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sutterlin'
'TRCK' (Track number/Position in set)               '14/16'
'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:lastfmtags'                                   ['german', 'minimal synth', 'minimal wave']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.47 dB'
'TXXX:replaygain_track_peak'                        '0.754905'

========================== row from database ==========================
                                              'id'  1386489
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Sutterlin - Bandscheibe/14 Hammerschlag.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  109
                                           'genre'  electronic-experimental;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3511310
                                           'mtime'  1636920726
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 14 electronic experimental;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Sutterlin
                                     'tag_release'  Bandscheibe
                                       'tag_title'  Hammerschlag
                                             'bpm'  117.195
                                    'search_title'  'hammerschlag':1
                                   'search_artist'  'sutterlin':1
                                  'search_release'  'bandscheibe':1
                                     'search_rest'  'electronic':1 'experimental':2,4 'mor':11 'pl':6 'set':3,5,8,10 'shirleyspinoza':7,9
                                    'search_combo'  'bandscheibe':3C 'electronic':4 'experimental':5,7 'hammerschlag':1A 'mor':14 'pl':9 'set':6,8,11,13 'shirleyspinoza':10,12 'sutterlin':2B
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'minimal synth', 'minimal wave']
                                        'tag_date'  1982
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636920726.16177  (2021-11-14 21:12:06)
                             'size'  3511310