======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '219'
                                          'artist'  'Goblin'
                                     'text_people'  ''
                                         'release'  'Jazz Around the World'
                                           'title'  'Snip Snap'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'electronic', 'progressive rock', 'experimental', 'italian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1963'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '120.8'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Jazz Around the World'
'TBPM' (BPM (beats per minute))                     '120.8'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-unsorted', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1963'
'TIT2' (Title/songname/content description)         'Snip Snap'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Goblin'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'electronic', 'progressive rock', 'experimental', 'italian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.42 dB'
'TXXX:replaygain_track_peak'                        '0.428088'

========================== row from database ==========================
                                              'id'  792838
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Lateef, Yusef/yusef lateef - jazz around the funk/Jazz Around the World - 01 - Goblin - Snip Snap.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  219
                                           'genre'  prerock-jb-jazz-unsorted;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3516426
                                           'mtime'  1620540624
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul Lateef, Yusef yusef lateef jazz around funk 01 prerock jb jazz unsorted;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Goblin
                                     'tag_release'  Jazz Around the World
                                       'tag_title'  Snip Snap
                                             'bpm'  120.8
                                    'search_title'  'snap':2 'snip':1
                                   'search_artist'  'goblin':1
                                  'search_release'  'around':2 'jazz':1 'the':3 'world':4
                                     'search_rest'  'around':8 'funk':2 'jazz':7 'jb':10 'lateef':4,5 'mor':20 'pl':15 'prerock':9 'set':12,14,17,19 'shirleyspinoza':16,18 'soul':3 'swing':1 'unsorted':11,13 'yusef':6
                                    'search_combo'  'around':5C,15 'funk':9 'goblin':3B 'jazz':4C,14 'jb':17 'lateef':11,12 'mor':27 'pl':22 'prerock':16 'set':19,21,24,26 'shirleyspinoza':23,25 'snap':2A 'snip':1A 'soul':10 'swing':8 'the':6C 'unsorted':18,20 'world':7C 'yusef':13
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['soundtrack', 'electronic', 'progressive rock', 'experimental', 'italian']
                                        'tag_date'  1963
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620540624.3413222  (2021-05-09 08:10:24)
                             'size'  3516426