======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '134'
                                          'artist'  'Homer & Jethro'
                                     'text_people'  ''
                                         'release'  "Dr. Demento's Country Corn"
                                           'title'  "I'm My Own Grandpaw"
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['classic country', 'country', 'comedy', 'boppin hillbilly', 'parody']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted'
                                             'bpm'  '124.929'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Dr. Demento's Country Corn"
'TBPM' (BPM (beats per minute))                     '124.929'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         "I'm My Own Grandpaw"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Homer & Jethro'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['classic country', 'country', 'comedy', 'boppin hillbilly', 'parody']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.17 dB'
'TXXX:replaygain_track_peak'                        '0.464622'

========================== row from database ==========================
                                              'id'  1507063
                                            'path'  /data/Music/Bulk/00spent/Unsorted/Homer & Jethro__Dr. Demento_s Country Corn__05 - I_m My Own Grandpaw.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  134
                                           'genre'  entertaining-unsorted
                                        'filesize'  2145768
                                           'mtime'  1620647372
                                   'redo_metaread'  0
                                        'rest_str'   00spent Unsorted Jethro__Dr. Demento_s Corn__05 I_m entertaining unsorted
                                      'tag_artist'  Homer & Jethro
                                     'tag_release'  Dr. Demento's Country Corn
                                       'tag_title'  I'm My Own Grandpaw
                                             'bpm'  124.929
                                    'search_title'  'grandpaw':6 'i':1 'im':3 'm':2 'my':4 'own':5
                                   'search_artist'  'homer':1 'jethro':2
                                  'search_release'  'corn':7 'country':6 'demento':3 'dementos':5 'dr':1,2 's':4
                                     'search_rest'  '00spent':1 '05':10 'corn':9 'demento':7 'dr':4,6 'entertaining':13 'i':11 'jethro':3,5 'm':12 's':8 'unsorted':2
                                    'search_combo'  '00spent':16 '05':25 'corn':15C,24 'country':14C 'demento':11C,22 'dementos':13C 'dr':9C,10C,19,21 'entertaining':28 'grandpaw':6A 'homer':7B 'i':1A,26 'im':3A 'jethro':8B,18,20 'm':2A,27 'my':4A 'own':5A 's':12C,23 'unsorted':17
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['classic country', 'country', 'comedy', 'boppin hillbilly', 'parody']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620647371.678843  (2021-05-10 13:49:31)
                             'size'  2145768