======================== unified (from filesystem) ========================
                                         'bitrate'  '272.736'
                                        'duration'  '294'
                                          'artist'  'korla pandit'
                                     'text_people'  ''
                                         'release'  'Music for night people'
                                           'title'  'diamond head'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'space age pop', 'exotica', 'organ', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '116.386'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Music for night people'
'TBPM' (BPM (beats per minute))                     '116.386'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-lounge or exotica or bossa',
 'set-pl-shirleyspinoza',
 'set-pl-mor']
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'diamond head'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'korla pandit'
'TXXX:Mp3gain_minmax'                               '040,210'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tracknum'                                     '22'
'TXXX:lastfmtags'                                   ['lounge', 'space age pop', 'exotica', 'organ', 'easy listening']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.58 dB'
'TXXX:replaygain_track_peak'                        '0.885197'

========================== row from database ==========================
                                              'id'  770757
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/v.a. - [promo] - music for night people (vhqvbr s)/22 korla pandit - diamond head.mp3
                                         'working'  None
                                         'bitrate'  272
                                    'duration_sec'  294
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  10032442
                                           'mtime'  1620538202
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country v.a. [promo] music (vhqvbr s) 22 prerock jb jazz lounge exotica bossa;set shirleyspinoza;set mor
                                      'tag_artist'  korla pandit
                                     'tag_release'  Music for night people
                                       'tag_title'  diamond head
                                             'bpm'  116.386
                                    'search_title'  'diamond':1 'head':2
                                   'search_artist'  'korla':1 'pandit':2
                                  'search_release'  'for':2 'music':1 'night':3 'people':4
                                     'search_rest'  '22':15 'a':6 'bossa':19,21 'country':4 'exotica':2 'jazz':1 'jb':17 'lounge':18 'mor':27 'music':10 'oldies':3 'prerock':16 'promo':8,9 's':13,14 'set':20,22,24,26 'shirleyspinoza':23,25 'v':5 'va':7 'vhqvbr':11,12
                                    'search_combo'  '22':23 'a':14 'bossa':27,29 'country':12 'diamond':1A 'exotica':10 'for':6C 'head':2A 'jazz':9 'jb':25 'korla':3B 'lounge':26 'mor':35 'music':5C,18 'night':7C 'oldies':11 'pandit':4B 'people':8C 'prerock':24 'promo':16,17 's':21,22 'set':28,30,32,34 'shirleyspinoza':31,33 'v':13 'va':15 'vhqvbr':19,20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'space age pop', 'exotica', 'organ', 'easy listening']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620538202.2179372  (2021-05-09 07:30:02)
                             'size'  10032442