======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '214'
                                          'artist'  'Dr. & The Medics'
                                     'text_people'  ''
                                         'release'  'Hits of the 80s'
                                           'title'  'Spirit In The Sky'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '120.686'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hits of the 80s'
'TBPM' (BPM (beats per minute))                     '120.686'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Spirit In The Sky'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Dr. & The Medics'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.65 dB'
'TXXX:replaygain_track_peak'                        '0.758514'

========================== row from database ==========================
                                              'id'  1524373
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hits Of The 80_s/Doctor And The Medics - Spirit In The Sky.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  214
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  3433755
                                           'mtime'  1628353613
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of 80_s Doctor And electronic generic or radio unsorted
                                      'tag_artist'  Dr. & The Medics
                                     'tag_release'  Hits of the 80s
                                       'tag_title'  Spirit In The Sky
                                             'bpm'  120.686
                                    'search_title'  'in':2 'sky':4 'spirit':1 'the':3
                                   'search_artist'  'dr':1,2 'medics':4 'the':3
                                  'search_release'  '80s':4 'hits':1 'of':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '80':3 'and':6 'doctor':5 'electronic':7 'generic':8 'of':2 'or':9 'radio':10 's':4 'unsorted':11
                                    'search_combo'  '00poprockelectronic':13 '80':15 '80s':12C 'and':18 'doctor':17 'dr':5B,6B 'electronic':19 'generic':20 'hits':9C 'in':2A 'medics':8B 'of':10C,14 'or':21 'radio':22 's':16 'sky':4A 'spirit':1A 'the':3A,7B,11C 'unsorted':23
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628353612.642912  (2021-08-07 18:26:52)
                             'size'  3433755