======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '219'
                                          'artist'  'Hans Zimmer'
                                     'text_people'  ''
                                         'release'  'Interstellar Original Motion Picture Soundtrack (Deluxe Version)'
                                           'title'  'Mountains'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-4', "
 "'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['soundtrack', 'instrumental', 'soundtracks', 'composer', 'classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'soundtrack-unsorted;mi-guitar'
                                             'bpm'  '125.3'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Interstellar Original Motion Picture Soundtrack (Deluxe Version)'
'TBPM' (BPM (beats per minute))                     '125.3'
'TCMP'                                              '© 2014 Paramount Pictures Corporation'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-unsorted', 'mi-guitar']
'TCOP' (Copyright message)                          '© 2014  Warner Bros. Entertainment Inc.'
'TDRC' (Recording time)                             '2014'
'TIT2' (Title/songname/content description)         'Mountains'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hans Zimmer'
'TPE2' (Band/orchestra/accompaniment)               'Hans Zimmer'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '08'
'TSOP' (Performer sort order)                       'Hans Zimmer'
'TXXX:Publisher'                                    ['℗ Warner Bros. Entertainment Inc. / Paramount Pictures Corporation.',
 '℗ Warner Bros. Entertainment Inc. / Paramount Pictures Corporation']
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'instrumental', 'soundtracks', 'composer', 'classical']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-7.67 dB'
'TXXX:replaygain_track_peak'                        '0.982196'

========================== row from database ==========================
                                              'id'  1389988
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/08 Mountains.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  219
                                           'genre'  soundtrack-unsorted;mi-guitar
                                        'filesize'  9337838
                                           'mtime'  1620331866
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 08 soundtrack unsorted;mi guitar
                                      'tag_artist'  Hans Zimmer
                                     'tag_release'  Interstellar Original Motion Picture Soundtrack (Deluxe Version)
                                       'tag_title'  Mountains
                                             'bpm'  125.3
                                    'search_title'  'mountains':1
                                   'search_artist'  'hans':1 'zimmer':2
                                  'search_release'  'deluxe':6,7 'interstellar':1 'motion':3 'original':2 'picture':4 'soundtrack':5 'version':8,9
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'guitar':12 'loose':3,4 'mi':9,11 'soundtrack':7 'unsorted':2,8,10
                                    'search_combo'  '00poprockelectronic':13 'deluxe':9C,10C 'files':17,18 'guitar':24 'hans':2B 'interstellar':4C 'loose':15,16 'mi':21,23 'motion':6C 'mountains':1A 'original':5C 'picture':7C 'soundtrack':8C,19 'unsorted':14,20,22 'version':11C,12C 'zimmer':3B
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-4', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'instrumental', 'soundtracks', 'composer', 'classical']
                                        'tag_date'  2014
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620331865.8295524  (2021-05-06 22:11:05)
                             'size'  9337838