======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '259'
                                          'artist'  'Fatback Band'
                                     'text_people'  ''
                                         'release'  "Keep On Steppin'"
                                           'title'  "Keep On Steppin'"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jazz funk', 'drjazzmrfunkmusic', 'soul', 'funk', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '9'
                                            'date'  '1974'
                                        'comments'  ''
                                           'genre'  'funk or soul;set-pl-mor'
                                             'bpm'  '99'
                                             'key'  '7A'
                                        'acoustid'  'cc5c8fcf-8ac8-4221-baa6-08df19a2e724'
rest: ''

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

'APIC:EV 6902'                                      type PictureType.COVER_FRONT (Cover (front)) b'EV 6902'
                                     
'GEOB:SfCDInfo'                                     GEOB(encoding=<Encoding.UTF16: 1>, mime='', filename='', desc='SfCDInfo', data=b'\x1c\x00\x00\x00d\x00\x00\x00\x01\x00\x00\x00\x89\xc6\x92\xd3\x06\xcc\xc7L\xbf\x1b\x0e\xc5\xbeb\xf0\x93\x1c\x00\x00\x00d\x00\x00\x00\x89\xc6\x92\xd3\x06\xcc\xc7L\xbf\x1b\x0e\xc5\xbeb\xf0\x93D\x00\x00\x00D\x00\x00\x00\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'GEOB:SfMarkers'                                    GEOB(encoding=<Encoding.UTF16: 1>, mime='', filename='', desc='SfMarkers', data=b'\x0c\x00\x00\x00d\x00\x00\x00\x00\x00\x00\x00')
'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     "Keep On Steppin'"
'TBPM' (BPM (beats per minute))                     '99'
'TCON' (Content type, a.k.a. Genre)                 ['funk or soul', 'set-pl-mor']
'TDOR' (Original release time)                      '1974'
'TDRC' (Recording time)                             '1974'
'TIT2' (Title/songname/content description)         "Keep On Steppin'"
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Fatback Band'
'TPE2' (Band/orchestra/accompaniment)               'Fatback Band'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Event Records'
'TRCK' (Track number/Position in set)               '8/9'
'TSO2'                                              'Fatback Band'
'TSOP' (Performer sort order)                       'Fatback Band'
'TSRC' (ISRC (international standard recording code))  'GBBHN9200008'
'TXXX:Acoustid Id'                                  'cc5c8fcf-8ac8-4221-baa6-08df19a2e724'
'TXXX:Artists'                                      'Fatback Band'
'TXXX:CATALOGNUMBER'                                'EV 6902'
'TXXX:MusicBrainz Album Artist Id'                  'a7290418-82e2-4016-abf4-3fd3e7db926f'
'TXXX:MusicBrainz Album Id'                         '7e817d6e-1ec8-3ab1-aad9-2e8569025fcc'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a7290418-82e2-4016-abf4-3fd3e7db926f'
'TXXX:MusicBrainz Release Group Id'                 '57484974-62c9-3e96-b8e3-80ca75a76cf7'
'TXXX:MusicBrainz Release Track Id'                 '0c6d5d63-1d42-352e-a6ae-a2dfbcb0e0ce'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['jazz funk', 'drjazzmrfunkmusic', 'soul', 'funk', 'disco']
'TXXX:mood'                                         'Not party/Electronic/Not happy/Not acoustic/Not sad/Not aggressive/Relaxed'
'TXXX:originalyear'                                 '1974'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.56 dB'
'TXXX:replaygain_track_peak'                        '0.968393'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c4415f6b-385d-42a7-8e8a-efc1d62526e2')

========================== row from database ==========================
                                              'id'  1534542
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/the fatback band - keep on steppin/08 - keep on stepping.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  259
                                           'genre'  funk or soul;set-pl-mor
                                        'filesize'  10471849
                                           'mtime'  1622658756
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul the fatback band keep on steppin 08 keep on stepping funk or soul;set pl mor
                                      'tag_artist'  Fatback Band
                                     'tag_release'  Keep On Steppin'
                                       'tag_title'  Keep On Steppin'
                                             'bpm'  99.0
                                    'search_title'  'keep':1 'on':2 'steppin':3,4
                                   'search_artist'  'band':2 'fatback':1
                                  'search_release'  'keep':1 'on':2 'steppin':3,4
                                     'search_rest'  'band':6 'fatback':5 'funk':2 'keep':7 'mor':17 'on':8 'or':11 'pl':16 'set':13,15 'soul':3,12,14 'steppin':9 'stepping':10 'swing':1 'the':4
                                    'search_combo'  'band':6B,16 'fatback':5B,15 'funk':12 'keep':1A,7C,17 'mor':27 'on':2A,8C,18 'or':21 'pl':26 'set':23,25 'soul':13,22,24 'steppin':3A,4A,9C,10C,19 'stepping':20 'swing':11 'the':14
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz funk', 'drjazzmrfunkmusic', 'soul', 'funk', 'disco']
                                        'tag_date'  1974
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622658756.2952976  (2021-06-02 20:32:36)
                             'size'  10471849