======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '204'
                                          'artist'  'Example'
                                     'text_people'  ('Leona Lewis, Tim Berg, Simon Jeffes, Arash Pournouri, Autumn Rowe, Sandy '
 'Wilhelm')
                                         'release'  "Now That's What I Call Music! 80 [Double CD]"
                                           'title'  'Stay Awake'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'electronic', 'hip hop', 'british', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '21'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '134.914'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Now That's What I Call Music! 80 [Double CD]"
'TBPM' (BPM (beats per minute))                     '134.914'
'TCOM' (Composer)                                   ('Leona Lewis, Tim Berg, Simon Jeffes, Arash Pournouri, Autumn Rowe, Sandy '
 'Wilhelm')
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2011'
'TENC' (Encoded by)                                 'iTunes 10.5.0.142'
'TIT2' (Title/songname/content description)         'Stay Awake'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Example'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '10/21'
'TSO2'                                              'Various Artists'
'TSOA' (Album sort order)                           "Now That's What I Call Music! 80 [Double CD]"
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'electronic', 'hip hop', 'british', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.28 dB'
'TXXX:replaygain_track_peak'                        '0.374810'

========================== row from database ==========================
                                              'id'  1355701
                                            'path'  /data/Music/Bulk/00poprockelectronic/set/Example - Stay Awake.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  204
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  8271256
                                           'mtime'  1621696883
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic set electronic generic or radio dance
                                      'tag_artist'  Example
                                     'tag_release'  Now That's What I Call Music! 80 [Double CD]
                                       'tag_title'  Stay Awake
                                             'bpm'  134.914
                                    'search_title'  'awake':2 'stay':1
                                   'search_artist'  'example':1
                                  'search_release'  '80':9 'call':7 'cd':12,13 'double':10,11 'i':6 'music':8 'now':1 's':3 'that':2 'thats':4 'what':5
                                     'search_rest'  '00poprockelectronic':1 'dance':7 'electronic':3 'generic':4 'or':5 'radio':6 'set':2
                                    'search_combo'  '00poprockelectronic':17 '80':12C 'awake':2A 'call':10C 'cd':15C,16C 'dance':23 'double':13C,14C 'electronic':19 'example':3B 'generic':20 'i':9C 'music':11C 'now':4C 'or':21 'radio':22 's':6C 'set':18 'stay':1A 'that':5C 'thats':7C 'what':8C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'electronic', 'hip hop', 'british', 'rap']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696883.4660232  (2021-05-22 17:21:23)
                             'size'  8271256