======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '309'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  '1986 Top 40'
                                           'title'  "Let's Go All The Way"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '98.2'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '1986 Top 40'
'TBPM' (BPM (beats per minute))                     '98.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         "Let's Go All The Way"
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Various Artists'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+7.62 dB'
'TXXX:replaygain_track_peak'                        '0.313154'

========================== row from database ==========================
                                              'id'  1512619
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/403-B Sly Fox - Let_s Go All The Way (extended version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  309
                                           'genre'  electronic-generic or radio
                                        'filesize'  12452101
                                           'mtime'  1630243327
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 403 B Sly Fox Let_s (extended version) electronic generic or radio
                                      'tag_artist'  None
                                     'tag_release'  1986 Top 40
                                       'tag_title'  Let's Go All The Way
                                             'bpm'  98.2
                                    'search_title'  'all':5 'go':4 'let':1 'lets':3 's':2 'the':6 'way':7
                                   'search_artist'  None
                                  'search_release'  '1986':1 '40':3 'top':2
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '403':4 'b':5 'complete':3 'electronic':14 'extended':10,11 'fox':7 'generic':15 'let':8 'or':16 'radio':17 's':9 'sly':6 'version':12,13
                                    'search_combo'  '00poprockelectronic':11 '1985':12 '1986':8C '40':10C '403':14 'all':5A 'b':15 'complete':13 'electronic':24 'extended':20,21 'fox':17 'generic':25 'go':4A 'let':1A,18 'lets':3A 'or':26 'radio':27 's':2A,19 'sly':16 'the':6A 'top':9C 'version':22,23 'way':7A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1630243327.4298182  (2021-08-29 15:22:07)
                             'size'  12452101