======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '182'
                                          'artist'  'Esquivel'
                                     'text_people'  ''
                                         'release'  'Music from a Sparkling Planet'
                                           'title'  'The Boulevard of Broken Dreams'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'space age pop', 'exotica', 'latin', 'easy listening']"
                                     'discogstags'  "['space-age', 'jazz', 'latin jazz', 'latin', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '119.8'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Music from a Sparkling Planet'
'TBPM' (BPM (beats per minute))                     '119.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'The Boulevard of Broken Dreams'
'TKEY' (Initial key)                                '10B'
'TLEN' (Length)                                     '182831'
'TPE1' (Lead performer(s)/Soloist(s))               'Esquivel'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '14'
'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:discogstags'                                  ['space-age', 'jazz', 'latin jazz', 'latin', 'easy listening']
'TXXX:lastfmtags'                                   ['lounge', 'space age pop', 'exotica', 'latin', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.54 dB'
'TXXX:replaygain_track_peak'                        '0.531617'

========================== row from database ==========================
                                              'id'  745940
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - space age pop & mid century domestics (jingles & themes)/(1959) esquivel - the boulevard of broken dreams.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  182
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  4400249
                                           'mtime'  1620539319
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm space age pop & mid century domestics (jingles & themes) (1959) esquivel the boulevard broken dreams prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Esquivel
                                     'tag_release'  Music from a Sparkling Planet
                                       'tag_title'  The Boulevard of Broken Dreams
                                             'bpm'  119.8
                                    'search_title'  'boulevard':2 'broken':4 'dreams':5 'of':3 'the':1
                                   'search_artist'  'esquivel':1
                                  'search_release'  'a':3 'from':2 'music':1 'planet':5 'sparkling':4
                                     'search_rest'  '1959':11,12 'age':2 'bossa':24 'boulevard':15 'broken':16 'century':5 'domestics':6 'dreams':17 'esquivel':13 'exotica':23 'jazz':20 'jb':19 'jingles':7,8 'lounge':21 'mid':4 'or':22 'pop':3 'prerock':18 'space':1 'the':14 'themes':9,10
                                    'search_combo'  '1959':22,23 'a':9C 'age':13 'bossa':35 'boulevard':2A,26 'broken':4A,27 'century':16 'domestics':17 'dreams':5A,28 'esquivel':6B,24 'exotica':34 'from':8C 'jazz':31 'jb':30 'jingles':18,19 'lounge':32 'mid':15 'music':7C 'of':3A 'or':33 'planet':11C 'pop':14 'prerock':29 'space':12 'sparkling':10C 'the':1A,25 'themes':20,21
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'space age pop', 'exotica', 'latin', 'easy listening']
                                        'tag_date'  1959
                                     'discogstags'  ['space-age', 'jazz', 'latin jazz', 'latin', 'easy listening']

============================== file details ==============================
                                           'mtime'  1620539319.4798405  (2021-05-09 07:48:39)
                             'size'  4400249