======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '248'
                                          'artist'  'Beastie Boys'
                                     'text_people'  ''
                                         'release'  'Solid Gold Hits'
                                           'title'  "Body Movin' (Fatboy Slim Remix)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['alternative', 'hip hop', 'rap', 'rock']"
                                     'discogstags'  "['hip hop', 'pop rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '15'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '101.870'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00001BC3 00000426 000078F2'
'COMM:iTunNORM:eng'                                 (' 00001BC3 00000426 000078F2 000039CF 0002DE63 0003A6E5 00008FDD 00008D33 '
 '00011678 00017BE5')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000AC8 0000000000A73928 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '15+B498E89C2B7BEDBF46682EA85B7AD585+6412437'
'TALB' (Album/Movie/Show title)                     'Solid Gold Hits'
'TBPM' (BPM (beats per minute))                     '101.870'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1998'
'TENC' (Encoded by)                                 'iTunes v6.0.1.3'
'TIT2' (Title/songname/content description)         "Body Movin' (Fatboy Slim Remix)"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Beastie Boys'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '12/15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['hip hop', 'pop rap']
'TXXX:lastfmtags'                                   ['alternative', 'hip hop', 'rap', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-3.20 dB'
'TXXX:replaygain_track_peak'                        '0.608736'

========================== row from database ==========================
                                              'id'  1521928
                                            'path'  /data/Music/Bulk/00poprockelectronic/Beasty Boys/Solid Gold Hits/12 Body Movin_ (Fatboy Slim Remix).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  248
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5055947
                                           'mtime'  1620567612
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Beasty 12 Movin_ hip hop or rnb or rap or turntablism
                                      'tag_artist'  Beastie Boys
                                     'tag_release'  Solid Gold Hits
                                       'tag_title'  Body Movin' (Fatboy Slim Remix)
                                             'bpm'  101.87
                                    'search_title'  'body':1 'fatboy':4,5 'movin':2,3 'remix':7,8 'slim':6
                                   'search_artist'  'beastie':1 'boys':2
                                  'search_release'  'gold':2 'hits':3 'solid':1
                                     'search_rest'  '00poprockelectronic':1 'beasty':2 'hip':4 'hop':5 'movin':3 'or':6 'rap':8 'rnb':7 'turntablism':9
                                    'search_combo'  '00poprockelectronic':14 'beastie':9B 'beasty':15 'body':1A 'boys':10B 'fatboy':4A,5A 'gold':12C 'hip':17 'hits':13C 'hop':18 'movin':2A,3A,16 'or':19 'rap':21 'remix':7A,8A 'rnb':20 'slim':6A 'solid':11C 'turntablism':22
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'hip hop', 'rap', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  ['hip hop', 'pop rap']

============================== file details ==============================
                                           'mtime'  1620567612.2512074  (2021-05-09 15:40:12)
                             'size'  5055947