======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '136'
                                          'artist'  'Enoch Light'
                                     'text_people'  ''
                                         'release'  'Vibrations'
                                           'title'  'That Old Black Magic'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'space age pop', 'exotica', 'illstreet', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '24'
                                      'tracktotal'  ''
                                            'date'  '1962'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '113.8'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Vibrations'
'TBPM' (BPM (beats per minute))                     '113.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1962'
'TIT2' (Title/songname/content description)         'That Old Black Magic'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '136568'
'TPE1' (Lead performer(s)/Soloist(s))               'Enoch Light'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '24'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'space age pop', 'exotica', 'illstreet', 'easy listening']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.23 dB'
'TXXX:replaygain_track_peak'                        '0.715613'

========================== row from database ==========================
                                              'id'  745867
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - space age pop & mid century domestics (jingles & themes)/(1962) enoch light & the light brigade - that old black magic.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  136
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  2189389
                                           'mtime'  1620539450
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va space age pop & mid century domestics (jingles & themes) (1962) enoch light & the light brigade that old black magic prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Enoch Light
                                     'tag_release'  Vibrations
                                       'tag_title'  That Old Black Magic
                                             'bpm'  113.8
                                    'search_title'  'black':3 'magic':4 'old':2 'that':1
                                   'search_artist'  'enoch':1 'light':2
                                  'search_release'  'vibrations':1
                                     'search_rest'  '1962':12,13 'age':3 'black':20 'bossa':28 'brigade':17 'century':6 'domestics':7 'enoch':14 'exotica':27 'jazz':24 'jb':23 'jingles':8,9 'light':15 'lounge':25 'magic':21 'mid':5 'old':19 'or':26 'pop':4 'prerock':22 'space':2 'that':18 'the':16 'themes':10,11 'va':1
                                    'search_combo'  '1962':19,20 'age':10 'black':3A,27 'bossa':35 'brigade':24 'century':13 'domestics':14 'enoch':5B,21 'exotica':34 'jazz':31 'jb':30 'jingles':15,16 'light':6B,22 'lounge':32 'magic':4A,28 'mid':12 'old':2A,26 'or':33 'pop':11 'prerock':29 'space':9 'that':1A,25 'the':23 'themes':17,18 'va':8 'vibrations':7C
                                    'tag_tracknum'  24
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'space age pop', 'exotica', 'illstreet', 'easy listening']
                                        'tag_date'  1962
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620539450.0133338  (2021-05-09 07:50:50)
                             'size'  2189389