======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '462'
                                          'artist'  'Jaga Jazzist'
                                     'text_people'  ''
                                         'release'  'What We Must'
                                           'title'  'I have a ghost, now what?'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'ninja tune', 'jazz', 'electronic', 'nu jazz']"
                                     'discogstags'  "['electronic', 'rock', 'fusion', 'future jazz', 'post rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-newer-experimental or free'
                                             'bpm'  '142.307'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'What We Must'
'TBPM' (BPM (beats per minute))                     '142.307'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-newer-experimental or free'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'I have a ghost, now what?'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jaga Jazzist'
'TPE2' (Band/orchestra/accompaniment)               'Jaga Jazzist'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'fusion', 'future jazz', 'post rock']
'TXXX:lastfmtags'                                   ['instrumental', 'ninja tune', 'jazz', 'electronic', 'nu jazz']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.07 dB'
'TXXX:replaygain_track_peak'                        '0.440949'

========================== row from database ==========================
                                              'id'  1268496
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Jaga Jazzist/What We Must/07 i have a ghost, now what.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  462
                                           'genre'  prerock-jb-jazz-newer-experimental or free
                                        'filesize'  18492845
                                           'mtime'  1620530295
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 07 prerock jb jazz newer experimental or free
                                      'tag_artist'  Jaga Jazzist
                                     'tag_release'  What We Must
                                       'tag_title'  I have a ghost, now what?
                                             'bpm'  142.307
                                    'search_title'  'a':3 'ghost':4,5 'have':2 'i':1 'now':6 'what':7
                                   'search_artist'  'jaga':1 'jazzist':2
                                  'search_release'  'must':3 'we':2 'what':1
                                     'search_rest'  'country':4 'exotica':2 'experimental':8 'free':10 'jazz':1 'jb':6 'newer':7 'oldies':3 'or':9 'prerock':5
                                    'search_combo'  'a':3A 'country':16 'exotica':14 'experimental':20 'free':22 'ghost':4A,5A 'have':2A 'i':1A 'jaga':8B 'jazz':13 'jazzist':9B 'jb':18 'must':12C 'newer':19 'now':6A 'oldies':15 'or':21 'prerock':17 'we':11C 'what':7A,10C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'ninja tune', 'jazz', 'electronic', 'nu jazz']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'rock', 'fusion', 'future jazz', 'post rock']

============================== file details ==============================
                                           'mtime'  1620530294.9570847  (2021-05-09 05:18:14)
                             'size'  18492845