======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '404'
                                          'artist'  'The Prodigy'
                                     'text_people'  ''
                                         'release'  'The Dirtchamber Sessions Vol.'
                                           'title'  'Bomb The Bass - Bug Powder Dus'
                                           'quals'  "['q-bass-4', 'q-play-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2']"
                                      'lastfmtags'  "['industrial', 'dance', 'techno', 'electronic', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'pop-electronic'
                                             'bpm'  '135.819'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Dirtchamber Sessions Vol.'
'TBPM' (BPM (beats per minute))                     '135.819'
'TCON' (Content type, a.k.a. Genre)                 'pop-electronic'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Bomb The Bass - Bug Powder Dus'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Prodigy'
'TRCK' (Track number/Position in set)               '2'
'TXXX:lastfmtags'                                   ['industrial', 'dance', 'techno', 'electronic', 'electronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.57 dB'
'TXXX:replaygain_track_peak'                        '0.586961'

========================== row from database ==========================
                                              'id'  1496047
                                            'path'  /data/Music/Bulk/00poprockelectronic/Prodigy/Prodigy, The/The Dirtchamber Sessions Vol. 1__02 - Bomb The Bass - Bug Powder Dust _ Grandmaster Flash And The Furious Five - Pump Me Up _ The Charlatans - How High _ Prodigy - Poison _ Jane_s Addiction - Been Caught Stealing _ Tim Dog - I Get Wrecked.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  404
                                           'genre'  pop-electronic
                                        'filesize'  9707242
                                           'mtime'  1620172897
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Prodigy, 1__02 Dust _ Grandmaster Flash And Furious Five Pump Me Up _ Charlatans How High _ Poison _ Jane_s Addiction Been Caught Stealing _ Tim Dog I Get Wrecked pop electronic
                                      'tag_artist'  The Prodigy
                                     'tag_release'  The Dirtchamber Sessions Vol.
                                       'tag_title'  Bomb The Bass - Bug Powder Dus
                                             'bpm'  135.819
                                    'search_title'  'bass':3 'bomb':1 'bug':4 'dus':6 'powder':5 'the':2
                                   'search_artist'  'prodigy':2 'the':1
                                  'search_release'  'dirtchamber':2 'sessions':3 'the':1 'vol':4,5
                                     'search_rest'  '00poprockelectronic':1 '02':5 '1':4 'addiction':21 'and':9 'been':22 'caught':23 'charlatans':15 'dog':26 'dust':6 'electronic':31 'five':11 'flash':8 'furious':10 'get':28 'grandmaster':7 'high':17 'how':16 'i':27 'jane':19 'me':13 'poison':18 'pop':30 'prodigy':2,3 'pump':12 's':20 'stealing':24 'tim':25 'up':14 'wrecked':29
                                    'search_combo'  '00poprockelectronic':14 '02':18 '1':17 'addiction':34 'and':22 'bass':3A 'been':35 'bomb':1A 'bug':4A 'caught':36 'charlatans':28 'dirtchamber':10C 'dog':39 'dus':6A 'dust':19 'electronic':44 'five':24 'flash':21 'furious':23 'get':41 'grandmaster':20 'high':30 'how':29 'i':40 'jane':32 'me':26 'poison':31 'pop':43 'powder':5A 'prodigy':8B,15,16 'pump':25 's':33 'sessions':11C 'stealing':37 'the':2A,7B,9C 'tim':38 'up':27 'vol':12C,13C 'wrecked':42
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['q-drums-4', 'q-vocals-2', 'q-other-1', 'q-play-3', 'q-piano-1', 'q-bass-4']
                                      'lastfmtags'  ['industrial', 'dance', 'techno', 'electronic', 'electronica']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620172897.1888542  (2021-05-05 02:01:37)
                             'size'  9707242