======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '135'
                                          'artist'  'Dickie Harrell'
                                     'text_people'  ''
                                         'release'  'Ultra-Lounge, Vol. 3: Space Capades'
                                           'title'  "Drivin' Around the Block"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['space age pop', 'easy listening', 'exotica', 'instrumental', 'lounge']"
                                     'discogstags'  "['afro-cuban jazz', 'rock & roll', 'jazz', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '145.6'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Ultra-Lounge, Vol. 3: Space Capades'
'TBPM' (BPM (beats per minute))                     '145.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         "Drivin' Around the Block"
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '135340'
'TPE1' (Lead performer(s)/Soloist(s))               'Dickie Harrell'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '5'
'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'                                  ['afro-cuban jazz', 'rock & roll', 'jazz', 'rock']
'TXXX:lastfmtags'                                   ['space age pop', 'easy listening', 'exotica', 'instrumental', 'lounge']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.18 dB'
'TXXX:replaygain_track_peak'                        '0.559809'

========================== row from database ==========================
                                              'id'  1504748
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - space age pop & mid century domestics (jingles & themes)/(1960) dickie harrell - drivin_ around the block.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  135
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  3260460
                                           'mtime'  1620539346
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va space age pop & mid century domestics (jingles & themes) (1960) dickie harrell drivin_ around block prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Dickie Harrell
                                     'tag_release'  Ultra-Lounge, Vol. 3: Space Capades
                                       'tag_title'  Drivin' Around the Block
                                             'bpm'  145.6
                                    'search_title'  'around':3 'block':5 'drivin':1,2 'the':4
                                   'search_artist'  'dickie':1 'harrell':2
                                  'search_release'  '3':6,7 'capades':9 'lounge':2 'space':8 'ultra':1 'ultralounge':3 'vol':4,5
                                     'search_rest'  '1960':12,13 'age':3 'around':17 'block':18 'bossa':25 'century':6 'dickie':14 'domestics':7 'drivin':16 'exotica':24 'harrell':15 'jazz':21 'jb':20 'jingles':8,9 'lounge':22 'mid':5 'or':23 'pop':4 'prerock':19 'space':2 'themes':10,11 'va':1
                                    'search_combo'  '1960':28,29 '3':13C,14C 'age':19 'around':3A,33 'block':5A,34 'bossa':41 'capades':16C 'century':22 'dickie':6B,30 'domestics':23 'drivin':1A,2A,32 'exotica':40 'harrell':7B,31 'jazz':37 'jb':36 'jingles':24,25 'lounge':9C,38 'mid':21 'or':39 'pop':20 'prerock':35 'space':15C,18 'the':4A 'themes':26,27 'ultra':8C 'ultralounge':10C 'va':17 'vol':11C,12C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8A
                                           '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-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['space age pop', 'easy listening', 'exotica', 'instrumental', 'lounge']
                                        'tag_date'  1960
                                     'discogstags'  ['afro-cuban jazz', 'rock & roll', 'jazz', 'rock']

============================== file details ==============================
                                           'mtime'  1620539346.1331196  (2021-05-09 07:49:06)
                             'size'  3260460