======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '146'
                                          'artist'  'Grimethorpe Colliery Band'
                                     'text_people'  ''
                                         'release'  'Grimethorpe'
                                           'title'  "King (K): Barnum & Bailey's Favorite March"
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['soundtrack', 'instrumental', 'brass', 'brass band', 'gr8 band music']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '12'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'soundtrack-unsorted'
                                             'bpm'  '145.895'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            'Cleaned by TuneUp!'
'COMM:iTunNORM:eng'                                 (' 00000281 000001FD 00001CB2 000013D4 000208A2 00020D2B 00005EB7 00005D43 '
 '00020D14 0001B2D4')
'TALB' (Album/Movie/Show title)                     'Grimethorpe'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-unsorted'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         "King (K): Barnum & Bailey's Favorite March"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Peter Parkes: Grimethorpe Colliery Band'
'TPE2' (Band/orchestra/accompaniment)               'Grimethorpe Colliery Band'
'TRCK' (Track number/Position in set)               '11/12'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'instrumental', 'brass', 'brass band', 'gr8 band music']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '+1.30 dB'
'TXXX:replaygain_track_peak'                        '0.622246'

========================== row from database ==========================
                                              'id'  1307541
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/brass bands - grimethorpe colliery band - american circus marches(2).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  146
                                           'genre'  soundtrack-unsorted
                                        'filesize'  2391647
                                           'mtime'  1636910622
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] brass bands grimethorpe colliery band american circus marches(2) soundtrack unsorted
                                      'tag_artist'  Grimethorpe Colliery Band
                                     'tag_release'  Grimethorpe
                                       'tag_title'  King (K): Barnum & Bailey's Favorite March
                                             'bpm'  145.895
                                    'search_title'  'bailey':5 'baileys':7 'barnum':4 'favorite':8 'k':2,3 'king':1 'march':9 's':6
                                   'search_artist'  'band':3 'colliery':2 'grimethorpe':1
                                  'search_release'  'grimethorpe':1
                                     'search_rest'  '00poprockelectronic':1 '2':15 'american':12 'band':11 'bands':8 'brass':7 'circus':13 'colliery':10 'files':5,6 'grimethorpe':9 'loose':3,4 'marches':14 'marches2':16 'soundtrack':17 'unsorted':2
                                    'search_combo'  '00poprockelectronic':14 '2':28 'american':25 'bailey':5A 'baileys':7A 'band':12B,24 'bands':21 'barnum':4A 'brass':20 'circus':26 'colliery':11B,23 'favorite':8A 'files':18,19 'grimethorpe':10B,13C,22 'k':2A,3A 'king':1A 'loose':16,17 'march':9A 'marches':27 'marches2':29 's':6A 'soundtrack':30 'unsorted':15
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'instrumental', 'brass', 'brass band', 'gr8 band music']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910622.3256745  (2021-11-14 18:23:42)
                             'size'  2391647