======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '172'
                                          'artist'  'Jimmy Martin'
                                     'text_people'  ''
                                         'release'  '1969-1974 (Warped 7047)'
                                           'title'  "(I've Got My) Future on Ice"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'all', 'bluegrass', 'two first names']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '102.6'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '1969-1974 (Warped 7047)'
'TBPM' (BPM (beats per minute))                     '102.6'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         "(I've Got My) Future on Ice"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jimmy Martin'
'TPE2' (Band/orchestra/accompaniment)               'Jimmy Martin'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['country', 'all', 'bluegrass', 'two first names']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.649336'

========================== row from database ==========================
                                              'id'  1519995
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Warped Records Collection/Warped 7047 - Jimmy Martin - Classics 1969-1974 (2010)/07 - (I_ve Got My) Future On Ice.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  172
                                           'genre'  loc-namerica-country
                                        'filesize'  7796551
                                           'mtime'  1621628952
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Records Collection Classics (2010) 07 (I_ve On loc namerica country
                                      'tag_artist'  Jimmy Martin
                                     'tag_release'  1969-1974 (Warped 7047)
                                       'tag_title'  (I've Got My) Future on Ice
                                             'bpm'  102.6
                                    'search_title'  'future':7 'got':4 'i':1 'ice':9 'ive':3 'my':5,6 'on':8 've':2
                                   'search_artist'  'jimmy':1 'martin':2
                                  'search_release'  '1969':1 '19691974':3 '1974':2 '7047':6,7 'warped':4,5
                                     'search_rest'  '2010':4,5 'classics':3 'collection':2 'country':13 'i':6,8 'loc':11 'namerica':12 'on':10 'records':1 've':7,9
                                    'search_combo'  '1969':12C '19691974':14C '1974':13C '2010':22,23 '7047':17C,18C 'classics':21 'collection':20 'country':31 'future':7A 'got':4A 'i':1A,24,26 'ice':9A 'ive':3A 'jimmy':10B 'loc':29 'martin':11B 'my':5A,6A 'namerica':30 'on':8A,28 'records':19 've':2A,25,27 'warped':15C,16C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['country', 'all', 'bluegrass', 'two first names']
                                        'tag_date'  2010
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621628952.430328  (2021-05-21 22:29:12)
                             'size'  7796551