======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '184'
                                          'artist'  'Brian Eno'
                                     'text_people'  ''
                                         'release'  'Before And After Science'
                                           'title'  'By This River'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-3', 'q-mixbeat-2', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['electronica', 'alternative', 'electronic', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic', 'rock', 'art rock', 'avantgarde', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '10'
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '139.178'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            'Cleaned by TuneUp!'
'COMM:iTunNORM:eng'                                 (' 00000064 00000057 00000FE2 00000817 00016C88 00016C5A 00003A44 00003828 '
 '00010A1F 00010A1F')
'TALB' (Album/Movie/Show title)                     'Before And After Science'
'TBPM' (BPM (beats per minute))                     '139.178'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         'By This River'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '184006'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Brian Eno'
'TPE2' (Band/orchestra/accompaniment)               'Brian Eno'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '8/10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'art rock', 'avantgarde', 'ambient']
'TXXX:lastfmtags'                                   ['electronica', 'alternative', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.42 dB'
'TXXX:replaygain_track_peak'                        '0.765560'

========================== row from database ==========================
                                              'id'  1347143
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/brian eno - by this river.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  184
                                           'genre'  electronic
                                        'filesize'  2948866
                                           'mtime'  1636914495
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] brian eno by this river electronic
                                      'tag_artist'  Brian Eno
                                     'tag_release'  Before And After Science
                                       'tag_title'  By This River
                                             'bpm'  139.178
                                    'search_title'  'by':1 'river':3 'this':2
                                   'search_artist'  'brian':1 'eno':2
                                  'search_release'  'after':3 'and':2 'before':1 'science':4
                                     'search_rest'  '00poprockelectronic':1 'brian':7 'by':9 'electronic':12 'eno':8 'files':5,6 'loose':3,4 'river':11 'this':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 'after':8C 'and':7C 'before':6C 'brian':4B,16 'by':1A,18 'electronic':21 'eno':5B,17 'files':14,15 'loose':12,13 'river':3A,20 'science':9C 'this':2A,19 'unsorted':11
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'alternative', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  1977
                                     'discogstags'  ['electronic', 'rock', 'art rock', 'avantgarde', 'ambient']

============================== file details ==============================
                                           'mtime'  1636914495.2907012  (2021-11-14 19:28:15)
                             'size'  2948866