======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '54'
                                          'artist'  'Bob Crewe & Charles Fox'
                                     'text_people'  ''
                                         'release'  'Barbarella OST'
                                           'title'  'Radio Spot 3'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-1', "
 "'q-busy-2', 'q-grit-2', 'q-play-2', 'Q-OLDST-2', 'q-chart-1', 'q-drums-1', "
 "'q-other-2', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'jazz', 'easy listening', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '30'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials-trailers;set-pl-mor'
                                             'bpm'  '105.642'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Barbarella OST'
'TBPM' (BPM (beats per minute))                     '105.642'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-commercials-trailers', 'set-pl-mor']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Radio Spot 3'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob Crewe & Charles Fox'
'TPE2' (Band/orchestra/accompaniment)               'Bob Crewe & Charles Fox'
'TRCK' (Track number/Position in set)               '30'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'jazz', 'easy listening', 'pop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'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'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.51 dB'
'TXXX:replaygain_track_peak'                        '0.486642'

========================== row from database ==========================
                                              'id'  956931
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/trailers/30 - radio spot 3.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  54
                                           'genre'  nonmusic-commercials-trailers;set-pl-mor
                                        'filesize'  2201557
                                           'mtime'  1620527902
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer trailers 30 radio spot nonmusic commercials trailers;set pl mor
                                      'tag_artist'  Bob Crewe & Charles Fox
                                     'tag_release'  Barbarella OST
                                       'tag_title'  Radio Spot 3
                                             'bpm'  105.642
                                    'search_title'  '3':3 'radio':1 'spot':2
                                   'search_artist'  'bob':1 'charles':3 'crewe':2 'fox':4
                                  'search_release'  'barbarella':1 'ost':2
                                     'search_rest'  '00commercials':2 '0nonmusic':1 '30':7 'commercials':10 'mor':16 'movietrailer':5 'nonmusic':9 'pl':15 'radio':4 'set':12,14 'spot':8 'trailers':6,11,13 'tv':3
                                    'search_combo'  '00commercials':11 '0nonmusic':10 '3':3A '30':16 'barbarella':8C 'bob':4B 'charles':6B 'commercials':19 'crewe':5B 'fox':7B 'mor':25 'movietrailer':14 'nonmusic':18 'ost':9C 'pl':24 'radio':1A,13 'set':21,23 'spot':2A,17 'trailers':15,20,22 'tv':12
                                    'tag_tracknum'  30
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'jazz', 'easy listening', 'pop']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527902.3286607  (2021-05-09 04:38:22)
                             'size'  2201557