======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '241'
                                          'artist'  'Van Halen'
                                     'text_people'  ''
                                         'release'  'Hits of the 80s'
                                           'title'  'Jump'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'heavy metal', 'rock', 'hard rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;eid-metal;rock-cppex'
                                             'bpm'  '86.327'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hits of the 80s'
'TBPM' (BPM (beats per minute))                     '86.327'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'eid-metal', 'rock-cppex']
'TDRC' (Recording time)                             '1984'
'TIT2' (Title/songname/content description)         'Jump'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Van Halen'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'heavy metal', 'rock', 'hard rock', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.92 dB'
'TXXX:replaygain_track_peak'                        '0.533232'

========================== row from database ==========================
                                              'id'  1532402
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hits Of The 80_s/Van Halen - Jump.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  241
                                           'genre'  electronic-generic or radio-unsorted;eid-metal;rock-cppex
                                        'filesize'  3865662
                                           'mtime'  1620737217
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of The 80_s electronic generic or radio unsorted;eid metal;rock cppex
                                      'tag_artist'  Van Halen
                                     'tag_release'  Hits of the 80s
                                       'tag_title'  Jump
                                             'bpm'  86.327
                                    'search_title'  'jump':1
                                   'search_artist'  'halen':2 'van':1
                                  'search_release'  '80s':4 'hits':1 'of':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '80':4 'cppex':18 'eid':11,13 'electronic':6 'generic':7 'metal':14,16 'of':2 'or':8 'radio':9 'rock':15,17 's':5 'the':3 'unsorted':10,12
                                    'search_combo'  '00poprockelectronic':8 '80':11 '80s':7C 'cppex':25 'eid':18,20 'electronic':13 'generic':14 'halen':3B 'hits':4C 'jump':1A 'metal':21,23 'of':5C,9 'or':15 'radio':16 'rock':22,24 's':12 'the':6C,10 'unsorted':17,19 'van':2B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'heavy metal', 'rock', 'hard rock', 'classic rock']
                                        'tag_date'  1984
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737216.5790255  (2021-05-11 14:46:56)
                             'size'  3865662