======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '548'
                                          'artist'  'John Abercrombie'
                                     'text_people'  'Andy LaVerne'
                                         'release'  'Now It Can Be Played'
                                           'title'  'Cat Nap'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-PLAY-2', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-2', 'q-other-3', 'q-piano-3', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['jazz guitar', 'jazz fusion', 'ecm', 'jazz', 'guitar', 'fusion']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '144.1'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Now It Can Be Played'
'TBPM' (BPM (beats per minute))                     '144.1'
'TCOM' (Composer)                                   'Andy LaVerne'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Cat Nap'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '548963'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'John Abercrombie & Andy LaVerne'
'TPE2' (Band/orchestra/accompaniment)               'John Abercrombie'
'TPUB' (Publisher)                                  'SteepleChase'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['jazz guitar', 'jazz fusion', 'ecm', 'jazz', 'guitar', 'fusion']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.13 dB'
'TXXX:replaygain_track_peak'                        '0.921079'

========================== row from database ==========================
                                              'id'  1481997
                                            'path'  /data/Music/Bulk/00poprockelectronic/radio jazz 13/John Abercrombie & Andy LaVerne - cat nap.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  548
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  17569699
                                           'mtime'  1620541449
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic radio jazz 13 & Andy LaVerne cat nap prerock jb jazz unsorted
                                      'tag_artist'  John Abercrombie
                                     'tag_release'  Now It Can Be Played
                                       'tag_title'  Cat Nap
                                             'bpm'  144.1
                                    'search_title'  'cat':1 'nap':2
                                   'search_artist'  'abercrombie':2 'john':1
                                  'search_release'  'be':4 'can':3 'it':2 'now':1 'played':5
                                     'search_rest'  '00poprockelectronic':1 'andy':4 'cat':6 'jazz':3 'jb':9 'la':11 'laverne':5 'nap':7 'prerock':8 'radio':2 'unsorted':10 'verne':12
                                    'search_combo'  '00poprockelectronic':10 'abercrombie':4B 'andy':13 'be':8C 'can':7C 'cat':1A,15 'it':6C 'jazz':12 'jb':18 'john':3B 'la':20 'laverne':14 'nap':2A,16 'now':5C 'played':9C 'prerock':17 'radio':11 'unsorted':19 'verne':21
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-3', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['jazz guitar', 'jazz fusion', 'ecm', 'jazz', 'guitar', 'fusion']
                                        'tag_date'  1995
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620541448.9867837  (2021-05-09 08:24:08)
                             'size'  17569699