======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '195'
                                          'artist'  'Paul Dresher'
                                     'text_people'  ''
                                         'release'  'Tellus #04'
                                           'title'  'Pygmy Vocal Music'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-1', 'q-other-3', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['contemporary classical', 'ambient', 'earwaves', 'instrumental', 'classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '126.5'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tellus #04'
'TBPM' (BPM (beats per minute))                     '126.5'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1984'
'TIT2' (Title/songname/content description)         'Pygmy Vocal Music'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Paul Dresher'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['contemporary classical', 'ambient', 'earwaves', 'instrumental', 'classical']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'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'                        '-0.53 dB'
'TXXX:replaygain_track_peak'                        '0.613919'

========================== row from database ==========================
                                              'id'  391921
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tellus Audio Cassette Magazine/1984 - Tellus #4/04 - Paul Dresher - Pygmy Vocal Music.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  195
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  4721236
                                           'mtime'  1636912079
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Audio Cassette Magazine 1984 #4 electronic experimental oddness
                                      'tag_artist'  Paul Dresher
                                     'tag_release'  Tellus #04
                                       'tag_title'  Pygmy Vocal Music
                                             'bpm'  126.5
                                    'search_title'  'music':3 'pygmy':1 'vocal':2
                                   'search_artist'  'dresher':2 'paul':1
                                  'search_release'  '04':2,3 'tellus':1
                                     'search_rest'  '1984':4 '4':5,6 'audio':1 'cassette':2 'electronic':7 'experimental':8 'magazine':3 'oddness':9
                                    'search_combo'  '04':7C,8C '1984':12 '4':13,14 'audio':9 'cassette':10 'dresher':5B 'electronic':15 'experimental':16 'magazine':11 'music':3A 'oddness':17 'paul':4B 'pygmy':1A 'tellus':6C 'vocal':2A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'ambient', 'earwaves', 'instrumental', 'classical']
                                        'tag_date'  1984
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636912078.5591404  (2021-11-14 18:47:58)
                             'size'  4721236