======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '26'
                                          'artist'  'J.R. Williams'
                                     'text_people'  ''
                                         'release'  'Murder On Your Ears'
                                           'title'  ' dawn of the dead'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '33'
                                      'tracktotal'  '49'
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials-trailers;set-pl-mor'
                                             'bpm'  '106.587'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ['0',
 ' 0000062F 0000062F 00003546 00003539 000001A1 000001A1 000081A7 000081F8 '
 '00000187 00000187',
 ' 00000000 00000210 00000780 000000000011FAF0 00000000 00081B83 00000000 '
 '00000000 00000000 00000000 00000000 00000000']
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunes_CDDB_1:eng'                            'D411E131+343449+49+150+2727+13902+16302+28527+32835+43262+47462+57637+62137+71337+75012+83262+87462+95558+99418+107913+112113+122688+131763+140388+149238+159888+161845+170622+174572+185322+187528+197663+199426+207418+212368+222268+224272+235897+241530+252685+254449+265210+269818+279863+283988+295538+300113+311034+315309+326045+327695+342885'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '33'
'TALB' (Album/Movie/Show title)                     'Murder On Your Ears'
'TBPM' (BPM (beats per minute))                     '106.587'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-commercials-trailers', 'set-pl-mor']
'TDRC' (Recording time)                             '1970'
'TENC' (Encoded by)                                 'iTunes 9.0.2'
'TIT2' (Title/songname/content description)         ' dawn of the dead'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'J.R. Williams'
'TRCK' (Track number/Position in set)               '33/49'
'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:other'                                        ' radio spot'
'TXXX:q-bass'                                       '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.66 dB'
'TXXX:replaygain_track_peak'                        '0.506354'

========================== row from database ==========================
                                              'id'  956622
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/trailers/33 - radio spot - dawn of the dead.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  26
                                           'genre'  nonmusic-commercials-trailers;set-pl-mor
                                        'filesize'  537692
                                           'mtime'  1620527903
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer trailers 33 radio spot nonmusic commercials trailers;set pl mor
                                      'tag_artist'  J.R. Williams
                                     'tag_release'  Murder On Your Ears
                                       'tag_title'   dawn of the dead
                                             'bpm'  106.587
                                    'search_title'  'dawn':1 'dead':4 'of':2 'the':3
                                   'search_artist'  'j':1 'jr':3 'r':2 'williams':4
                                  'search_release'  'ears':4 'murder':1 'on':2 'your':3
                                     'search_rest'  '00commercials':2 '0nonmusic':1 '33':7 'commercials':10 'mor':16 'movietrailer':5 'nonmusic':9 'pl':15 'radio':4 'set':12,14 'spot':8 'trailers':6,11,13 'tv':3
                                    'search_combo'  '00commercials':14 '0nonmusic':13 '33':19 'commercials':22 'dawn':1A 'dead':4A 'ears':12C 'j':5B 'jr':7B 'mor':28 'movietrailer':17 'murder':9C 'nonmusic':21 'of':2A 'on':10C 'pl':27 'r':6B 'radio':16 'set':24,26 'spot':20 'the':3A 'trailers':18,23,25 'tv':15 'williams':8B 'your':11C
                                    'tag_tracknum'  33
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527902.935654  (2021-05-09 04:38:22)
                             'size'  537692