======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '260'
                                          'artist'  'Berk & the Virtual Band'
                                     'text_people'  ''
                                         'release'  'Jazz Chill Vol.1'
                                           'title'  'Every breath you take'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-JZFKS-3', "
 "'Q-OLDST-3', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-PLAY-3', 'q-bass-3', "
 "'Q-CHART-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['smooth jazz', 'jazz', 'chillout', 'cool jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-pop'
                                             'bpm'  '106.6'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Jazz Chill Vol.1'
'TBPM' (BPM (beats per minute))                     '106.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-pop'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Every breath you take'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Berk & the Virtual Band'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Beggars Banquet'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['smooth jazz', 'jazz', 'chillout', 'cool jazz']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-10.76 dB'
'TXXX:replaygain_track_peak'                        '1.055908'

========================== row from database ==========================
                                              'id'  1481632
                                            'path'  /data/Music/Bulk/00poprockelectronic/Berk & the Virtual Band - 2006 - Jazz Chill (vol.1)/04 Berk & the Virtual Band - Every breath you take.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  260
                                           'genre'  prerock-jb-jazz-pop
                                        'filesize'  10489220
                                           'mtime'  1620540782
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2006 (vol.1) 04 prerock jb jazz pop
                                      'tag_artist'  Berk & the Virtual Band
                                     'tag_release'  Jazz Chill Vol.1
                                       'tag_title'  Every breath you take
                                             'bpm'  106.6
                                    'search_title'  'breath':2 'every':1 'take':4 'you':3
                                   'search_artist'  'band':4 'berk':1 'the':2 'virtual':3
                                  'search_release'  '1':4 'chill':2 'jazz':1 'vol':3 'vol1':5
                                     'search_rest'  '00poprockelectronic':1 '1':4 '2006':2 'jazz':8 'jb':7 'pop':9 'prerock':6 'vol':3 'vol1':5
                                    'search_combo'  '00poprockelectronic':14 '1':12C,17 '2006':15 'band':8B 'berk':5B 'breath':2A 'chill':10C 'every':1A 'jazz':9C,21 'jb':20 'pop':22 'prerock':19 'take':4A 'the':6B 'virtual':7B 'vol':11C,16 'vol1':13C,18 'you':3A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  ['smooth jazz', 'jazz', 'chillout', 'cool jazz']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620540781.7067394  (2021-05-09 08:13:01)
                             'size'  10489220