======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '164'
                                          'artist'  'Róisín Murphy & Matthew Herber'
                                     'text_people'  ''
                                         'release'  "Grey's Anatomy"
                                           'title'  'Ruby Blue'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '117.535'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Grey's Anatomy"
'TBPM' (BPM (beats per minute))                     '117.535'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Ruby Blue'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Róisín Murphy & Matthew Herber'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'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-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.47 dB'
'TXXX:replaygain_track_peak'                        '0.713633'

========================== row from database ==========================
                                              'id'  1359201
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/cifsb2b.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  164
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  3950071
                                           'mtime'  1636911135
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip cifsb2b electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Róisín Murphy & Matthew Herber
                                     'tag_release'  Grey's Anatomy
                                       'tag_title'  Ruby Blue
                                             'bpm'  117.535
                                    'search_title'  'blue':2 'ruby':1
                                   'search_artist'  'herber':5 'matthew':4 'murphy':3 'roisin':1,2
                                  'search_release'  'anatomy':4 'grey':1 'greys':3 's':2
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':9 'cifsb2b':3 'downtempo':8 'electronic':4 'hop':6 'jazz':10 'or':7 'trip':5
                                    'search_combo'  '00poprockelectronic':12 '00trip':13 'acid':20 'anatomy':11C 'blue':2A 'cifsb2b':14 'downtempo':19 'electronic':15 'grey':8C 'greys':10C 'herber':7B 'hop':17 'jazz':21 'matthew':6B 'murphy':5B 'or':18 'roisin':3B,4B 'ruby':1A 's':9C 'trip':16
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636911135.4295905  (2021-11-14 18:32:15)
                             'size'  3950071