======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '205'
                                          'artist'  'Hugo Winterhalter'
                                     'text_people'  ''
                                         'release'  "Your Hit Parade - The '50s Pop Revival"
                                           'title'  'Vanessa'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'space age pop', 'orchestra', '50s', 'composer']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1952'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '85.8'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Your Hit Parade - The '50s Pop Revival"
'TBPM' (BPM (beats per minute))                     '85.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1952'
'TIT2' (Title/songname/content description)         'Vanessa'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '205270'
'TPE1' (Lead performer(s)/Soloist(s))               'Hugo Winterhalter'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'space age pop', 'orchestra', '50s', 'composer']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.74 dB'
'TXXX:replaygain_track_peak'                        '0.565054'

========================== row from database ==========================
                                              'id'  746091
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - space age pop & mid century domestics (jingles & themes)/(1952) hugo winterhalter & his orchestra - vanessa.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  205
                                           'genre'  electronic-unsorted
                                        'filesize'  4108617
                                           'mtime'  1620586901
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm space age pop & mid century domestics (jingles & themes) (1952) hugo winterhalter & his orchestra vanessa electronic unsorted
                                      'tag_artist'  Hugo Winterhalter
                                     'tag_release'  Your Hit Parade - The '50s Pop Revival
                                       'tag_title'  Vanessa
                                             'bpm'  85.8
                                    'search_title'  'vanessa':1
                                   'search_artist'  'hugo':1 'winterhalter':2
                                  'search_release'  '50s':5,6 'hit':2 'parade':3 'pop':7 'revival':8 'the':4 'your':1
                                     'search_rest'  '1952':11,12 'age':2 'century':5 'domestics':6 'electronic':18 'his':15 'hugo':13 'jingles':7,8 'mid':4 'orchestra':16 'pop':3 'space':1 'themes':9,10 'unsorted':19 'vanessa':17 'winterhalter':14
                                    'search_combo'  '1952':22,23 '50s':8C,9C 'age':13 'century':16 'domestics':17 'electronic':29 'his':26 'hit':5C 'hugo':2B,24 'jingles':18,19 'mid':15 'orchestra':27 'parade':6C 'pop':10C,14 'revival':11C 'space':12 'the':7C 'themes':20,21 'unsorted':30 'vanessa':1A,28 'winterhalter':3B,25 'your':4C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'space age pop', 'orchestra', '50s', 'composer']
                                        'tag_date'  1952
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586901.3057323  (2021-05-09 21:01:41)
                             'size'  4108617