======================== unified (from filesystem) ========================
                                         'bitrate'  '320.015'
                                        'duration'  '230'
                                          'artist'  'The Avalanches'
                                     'text_people'  ''
                                         'release'  'Ministry of Sound: Chilled 199'
                                           'title'  'Since I Left You'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-2', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'turntablism', 'australian', 'electronic', 'dance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '136.828'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ministry of Sound: Chilled 199'
'TBPM' (BPM (beats per minute))                     '136.828'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Since I Left You'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Avalanches'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'turntablism', 'australian', 'electronic', 'dance']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.81 dB'
'TXXX:replaygain_track_peak'                        '0.428145'

========================== row from database ==========================
                                              'id'  1302295
                                            'path'  /data/Music/Bulk/00poprockelectronic/Chilled/Chilled 1991-2008 Disc 2 mp3/08 - The Avalanches - Since I Left You.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  230
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  9232681
                                           'mtime'  1621696145
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1991 2008 Disc 2 mp3 08 electronic generic or radio dance
                                      'tag_artist'  The Avalanches
                                     'tag_release'  Ministry of Sound: Chilled 199
                                       'tag_title'  Since I Left You
                                             'bpm'  136.828
                                    'search_title'  'i':2 'left':3 'since':1 'you':4
                                   'search_artist'  'avalanches':2 'the':1
                                  'search_release'  '199':6 'chilled':5 'ministry':1 'of':2 'sound':3,4
                                     'search_rest'  '00poprockelectronic':1 '1991':2 '2':5 '2008':3 'dance':11 'disc':4 'electronic':7 'generic':8 'mp3':6 'or':9 'radio':10
                                    'search_combo'  '00poprockelectronic':13 '199':12C '1991':14 '2':17 '2008':15 'avalanches':6B 'chilled':11C 'dance':23 'disc':16 'electronic':19 'generic':20 'i':2A 'left':3A 'ministry':7C 'mp3':18 'of':8C 'or':21 'radio':22 'since':1A 'sound':9C,10C 'the':5B 'you':4A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'turntablism', 'australian', 'electronic', 'dance']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696144.6681056  (2021-05-22 17:09:04)
                             'size'  9232681