======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '173'
                                          'artist'  'Chet Bolins'
                                     'text_people'  ''
                                         'release'  'All American Masher'
                                           'title'  'Boom Boom'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '10'
                                            'date'  '1981'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '145.0'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'blog.wfmu.org'
'COMM:iTunNORM:eng'                                 (' 00001434 0000106F 0000CA62 00008C3A 0000CED6 0000CEF0 00009269 00008FF4 '
 '0000C405 0000ED3E')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000730 00000000007493C0 00000000 003F62F1 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'All American Masher'
'TBPM' (BPM (beats per minute))                     '145.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1981'
'TENC' (Encoded by)                                 'iTunes v7.4.1'
'TIT2' (Title/songname/content description)         'Boom Boom'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Chet Bolins'
'TRCK' (Track number/Position in set)               '2/10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.68 dB'
'TXXX:replaygain_track_peak'                        '0.443035'

========================== row from database ==========================
                                              'id'  660327
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/10/284_02_Chet_Bolins_-_Boom_Boom.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  173
                                           'genre'  electronic-unsorted
                                        'filesize'  4750333
                                           'mtime'  1674607037
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 10 284_02_Chet_Bolins_ _Boom_Boom electronic unsorted
                                      'tag_artist'  Chet Bolins
                                     'tag_release'  All American Masher
                                       'tag_title'  Boom Boom
                                             'bpm'  145.0
                                    'search_title'  'boom':1
                                   'search_artist'  'bolins':2 'chet':1
                                  'search_release'  'all':1 'american':2 'masher':3
                                     'search_rest'  '02':2 '284':1 'bolins':4 'boom':5,6 'chet':3 'electronic':7 'unsorted':8
                                    'search_combo'  '02':8 '284':7 'all':4C 'american':5C 'bolins':3B,10 'boom':1A,11,12 'chet':2B,9 'electronic':13 'masher':6C 'unsorted':14
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  []
                                        'tag_date'  1981
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1674607037.0131383  (2023-01-25 01:37:17)
                             'size'  4750333