======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '295'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  '80s Classics: The Collection (CD1) '
                                           'title'  "Steve Arrington - Dancin' In The Key Of Life"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '115.722'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '80s Classics: The Collection (CD1) '
'TBPM' (BPM (beats per minute))                     '115.722'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '1985'
'TENC' (Encoded by)                                 'Lame 3.98.4'
'TIT2' (Title/songname/content description)         "Steve Arrington - Dancin' In The Key Of Life"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Various Artists'
'TRCK' (Track number/Position in set)               '09'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+4.39 dB'
'TXXX:replaygain_track_peak'                        '0.367954'

========================== row from database ==========================
                                              'id'  1516251
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/253-B Steve Arrington - Dancin_ In The Key Of Life (album version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  295
                                           'genre'  electronic-generic or radio
                                        'filesize'  11948179
                                           'mtime'  1630243326
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 253 B Dancin_ (album version) electronic generic or radio
                                      'tag_artist'  None
                                     'tag_release'  80s Classics: The Collection (CD1) 
                                       'tag_title'  Steve Arrington - Dancin' In The Key Of Life
                                             'bpm'  115.722
                                    'search_title'  'arrington':2 'dancin':3,4 'in':5 'key':7 'life':9 'of':8 'steve':1 'the':6
                                   'search_artist'  None
                                  'search_release'  '80s':1 'cd1':6,7 'classics':2,3 'collection':5 'the':4
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '253':4 'album':7,8 'b':5 'complete':3 'dancin':6 'electronic':11 'generic':12 'or':13 'radio':14 'version':9,10
                                    'search_combo'  '00poprockelectronic':17 '1985':18 '253':20 '80s':10C 'album':23,24 'arrington':2A 'b':21 'cd1':15C,16C 'classics':11C,12C 'collection':14C 'complete':19 'dancin':3A,4A,22 'electronic':27 'generic':28 'in':5A 'key':7A 'life':9A 'of':8A 'or':29 'radio':30 'steve':1A 'the':6A,13C 'version':25,26
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  1A
                                           '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-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1630243325.9309936  (2021-08-29 15:22:05)
                             'size'  11948179