======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '126'
                                          'artist'  'Lalo Schifrin'
                                     'text_people'  ''
                                         'release'  'Sol Madrid (MGM SE-4541 Stereo)'
                                           'title'  'Sol Madrid (Main Theme)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'fip', 'jazz', 'soundtrackgdchill', 'soundtrack', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '124.9'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Sol Madrid (MGM SE-4541 Stereo)'
'TBPM' (BPM (beats per minute))                     '124.9'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TENC' (Encoded by)                                 'Basic Hip Digital Oddio'
'TIT2' (Title/songname/content description)         'Sol Madrid (Main Theme)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lalo Schifrin'
'TPE2' (Band/orchestra/accompaniment)               'Lalo Schifrin'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'fip', 'jazz', 'soundtrackgdchill', 'soundtrack', 'funk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.57 dB'
'TXXX:replaygain_track_peak'                        '0.561835'

========================== row from database ==========================
                                              'id'  1364726
                                            'path'  /data/Music/Bulk/0soundtrack/Lalo Schifrin - Sol Madrid/01_Sol_Madrid_(Main_Theme).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  126
                                           'genre'  soundtrack-video
                                        'filesize'  5214024
                                           'mtime'  1636915091
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 01_Sol_Madrid_(Main_Theme) soundtrack video
                                      'tag_artist'  Lalo Schifrin
                                     'tag_release'  Sol Madrid (MGM SE-4541 Stereo)
                                       'tag_title'  Sol Madrid (Main Theme)
                                             'bpm'  124.9
                                    'search_title'  'madrid':2 'main':3,4 'sol':1 'theme':5,6
                                   'search_artist'  'lalo':1 'schifrin':2
                                  'search_release'  '4541':6 'madrid':2 'mgm':3,4 'se':5 'se4541':7 'sol':1 'stereo':8,9
                                     'search_rest'  '01':2,7 '0soundtrack':1 'madrid':4,9 'main':5,10 'sol':3,8 'soundtrack':12 'theme':6,11 'video':13
                                    'search_combo'  '01':19,24 '0soundtrack':18 '4541':14C 'lalo':7B 'madrid':2A,10C,21,26 'main':3A,4A,22,27 'mgm':11C,12C 'schifrin':8B 'se':13C 'se4541':15C 'sol':1A,9C,20,25 'soundtrack':29 'stereo':16C,17C 'theme':5A,6A,23,28 'video':30
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'fip', 'jazz', 'soundtrackgdchill', 'soundtrack', 'funk']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636915091.2475426  (2021-11-14 19:38:11)
                             'size'  5214024