======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '88'
                                          'artist'  'Heinz Funk'
                                     'text_people'  ''
                                         'release'  'Chappell CAL 4005 - Music for Drama (Chappell International)'
                                           'title'  'Crime Story 05 Tension, slow, brass, alto-flute, fade ending'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'Q-LOCALNESS-2', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'german composer', 'library', 'composer']"
                                     'discogstags'  "['electronic', 'classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '23'
                                      'tracktotal'  ''
                                            'date'  '1974'
                                        'comments'  ''
                                           'genre'  'soundtrack-library'
                                             'bpm'  '138.417'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000000 00000210 00000750'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000750 00000000003BBAA0 00000000 002072F1 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Chappell CAL 4005 - Music for Drama (Chappell International)'
'TBPM' (BPM (beats per minute))                     '138.417'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-library'
'TDRC' (Recording time)                             '1974'
'TENC' (Encoded by)                                 'iTunes v7.1.1'
'TIT2' (Title/songname/content description)         'Crime Story 05 Tension, slow, brass, alto-flute, fade ending'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '88000'
'TPE1' (Lead performer(s)/Soloist(s))               'Heinz Funk'
'TRCK' (Track number/Position in set)               '23'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'classical']
'TXXX:lastfmtags'                                   ['all', 'german composer', 'library', 'composer']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.99 dB'
'TXXX:replaygain_track_peak'                        '0.828183'

========================== row from database ==========================
                                              'id'  763521
                                            'path'  /data/Music/Bulk/0soundtrack/cal4005 - music for drama (chappell international)/23 Crime Story 05 - Tension, slow, brass, alto-flute, fade ending.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  88
                                           'genre'  soundtrack-library
                                        'filesize'  2133640
                                           'mtime'  1636923262
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack cal4005 music drama (chappell international) 23 soundtrack library
                                      'tag_artist'  Heinz Funk
                                     'tag_release'  Chappell CAL 4005 - Music for Drama (Chappell International)
                                       'tag_title'  Crime Story 05 Tension, slow, brass, alto-flute, fade ending
                                             'bpm'  138.417
                                    'search_title'  'alto':9 'altoflute':11 'brass':7,8 'crime':1 'ending':13 'fade':12 'flute':10 'slow':5,6 'story':2 'tension':3,4
                                   'search_artist'  'funk':2 'heinz':1
                                  'search_release'  '4005':3 'cal':2 'chappell':1,7 'drama':6 'for':5 'international':8,9 'music':4
                                     'search_rest'  '0soundtrack':1 '23':9 'cal4005':2 'chappell':5,6 'drama':4 'international':7,8 'library':11 'music':3 'soundtrack':10
                                    'search_combo'  '0soundtrack':25 '23':33 '4005':18C 'alto':9A 'altoflute':11A 'brass':7A,8A 'cal':17C 'cal4005':26 'chappell':16C,22C,29,30 'crime':1A 'drama':21C,28 'ending':13A 'fade':12A 'flute':10A 'for':20C 'funk':15B 'heinz':14B 'international':23C,24C,31,32 'library':35 'music':19C,27 'slow':5A,6A 'soundtrack':34 'story':2A 'tension':3A,4A
                                    'tag_tracknum'  23
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['all', 'german composer', 'library', 'composer']
                                        'tag_date'  1974
                                     'discogstags'  ['electronic', 'classical']

============================== file details ==============================
                                           'mtime'  1636923261.774234  (2021-11-14 21:54:21)
                             'size'  2133640