======================== unified (from filesystem) ========================
                                         'bitrate'  '183.087'
                                        'duration'  '259'
                                          'artist'  'The Blues Brothers'
                                     'text_people'  ''
                                         'release'  'Briefcase Full of Blues'
                                           'title'  "I Don't Know"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-2', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues rock', 'soul', 'soundtrack', 'rock', 'blues', 'rhythm and blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '12'
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-movies'
                                             'bpm'  '139.658'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000276 000002A4 00001E5C'
'COMM:iTunNORM:eng'                                 (' 00000276 000002A4 00001E5C 00002A25 00023E2F 0003CD43 000065D1 00006D12 '
 '0003A8F0 0003A8F0')
'COMM:iTunes_CDDB_IDs:eng'                          '12+E5DF2A6E161CB87E4CA36A66429CBCEB+836339'
'TALB' (Album/Movie/Show title)                     'Briefcase Full of Blues'
'TBPM' (BPM (beats per minute))                     '139.658'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-movies'
'TDRC' (Recording time)                             '1978'
'TENC' (Encoded by)                                 'iTunes v3.0.1'
'TIT2' (Title/songname/content description)         "I Don't Know"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Blues Brothers'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '8/12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues rock', 'soul', 'soundtrack', 'rock', 'blues', 'rhythm and blues']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.61 dB'
'TXXX:replaygain_track_peak'                        '0.701664'

========================== row from database ==========================
                                              'id'  1516923
                                            'path'  /data/Music/Bulk/0soundtrack/Blues Brothers, the/Briefcase Full of Blues/Blues Brothers - I Don_t Know - 08.mp3
                                         'working'  None
                                         'bitrate'  183
                                    'duration_sec'  259
                                           'genre'  soundtrack-video-movies
                                        'filesize'  5943919
                                           'mtime'  1674645993
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Brothers, Don_t 08 soundtrack video movies
                                      'tag_artist'  The Blues Brothers
                                     'tag_release'  Briefcase Full of Blues
                                       'tag_title'  I Don't Know
                                             'bpm'  139.658
                                    'search_title'  'don':2 'dont':4 'i':1 'know':5 't':3
                                   'search_artist'  'blues':2 'brothers':3 'the':1
                                  'search_release'  'blues':4 'briefcase':1 'full':2 'of':3
                                     'search_rest'  '0soundtrack':1 'brothers':2,3 'don':4 'movies':8 'soundtrack':6 't':5 'video':7
                                    'search_combo'  '0soundtrack':13 'blues':7B,12C 'briefcase':9C 'brothers':8B,14,15 'don':2A,16 'dont':4A 'full':10C 'i':1A 'know':5A 'movies':20 'of':11C 'soundtrack':18 't':3A,17 'the':6B 'video':19
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-2', 'Q-LOCALNESS-2', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['blues rock', 'soul', 'soundtrack', 'rock', 'blues', 'rhythm and blues']
                                        'tag_date'  1978
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1674645993.4013014  (2023-01-25 12:26:33)
                             'size'  5943919