======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '353'
                                          'artist'  'Jurriaan Andriessen [1925-1996]'
                                     'text_people'  ''
                                         'release'  'software hardware - park 18 pal 25090'
                                           'title'  'hardware-software'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '99.1'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'software hardware - park 18 pal 25090'
'TBPM' (BPM (beats per minute))                     '99.1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-early', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TCOP' (Copyright message)                          'Jurriaan Andriessen [1925-1996]'
'TDRC' (Recording time)                             '1978'
'TIT2' (Title/songname/content description)         'hardware-software'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '000000353118'
'TPE1' (Lead performer(s)/Soloist(s))               'Jurriaan Andriessen'
'TPE2' (Band/orchestra/accompaniment)               'Jurriaan Andriessen [1925-1996]'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.59 dB'
'TXXX:replaygain_track_peak'                        '0.687305'
'TXXX:tracknum'                                     '06'

========================== row from database ==========================
                                              'id'  1366907
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Jurriaan Andriessen [1925-1996] - jurriaan andriessen - hardware software (park, 1978)/06 hardware-software.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  353
                                           'genre'  electronic-experimental-early;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  14128538
                                           'mtime'  1637329284
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm jurriaan andriessen (park, 1978) 06 electronic experimental early;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Jurriaan Andriessen [1925-1996]
                                     'tag_release'  software hardware - park 18 pal 25090
                                       'tag_title'  hardware-software
                                             'bpm'  99.1
                                    'search_title'  'hardware':1 'hardwaresoftware':3 'software':2
                                   'search_artist'  '1925':3 '19251996':5 '1996':4 'andriessen':2 'jurriaan':1
                                  'search_release'  '18':4 '25090':6 'hardware':2 'pal':5 'park':3 'software':1
                                     'search_rest'  '1978':5,6 'andriessen':2 'early':9,11 'electronic':7 'experimental':8 'jurriaan':1 'mor':18 'park':3,4 'pl':13 'set':10,12,15,17 'shirleyspinoza':14,16
                                    'search_combo'  '18':12C '1925':6B '19251996':8B '1978':19,20 '1996':7B '25090':14C 'andriessen':5B,16 'early':23,25 'electronic':21 'experimental':22 'hardware':1A,10C 'hardwaresoftware':3A 'jurriaan':4B,15 'mor':32 'pal':13C 'park':11C,17,18 'pl':27 'set':24,26,29,31 'shirleyspinoza':28,30 'software':2A,9C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1978
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637329284.1110063  (2021-11-19 14:41:24)
                             'size'  14128538