======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '197'
                                          'artist'  'The Cat Empire'
                                     'text_people'  ''
                                         'release'  'Putumayo Presents: A New Groove'
                                           'title'  'Nine Lives'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['australian', 'jazz', 'ska', 'alternative', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '104.9'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Putumayo Presents: A New Groove'
'TBPM' (BPM (beats per minute))                     '104.9'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Nine Lives'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Cat Empire'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Putumayo World Music'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['australian', 'jazz', 'ska', 'alternative', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.27 dB'
'TXXX:replaygain_track_peak'                        '0.566731'

========================== row from database ==========================
                                              'id'  1269065
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The Cat Empire/Unsorted/the cat empire - nine lives.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  197
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  3171066
                                           'mtime'  1620520510
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Unsorted the cat empire nine lives loc style reggae or dub or ska or dancehall ska
                                      'tag_artist'  The Cat Empire
                                     'tag_release'  Putumayo Presents: A New Groove
                                       'tag_title'  Nine Lives
                                             'bpm'  104.9
                                    'search_title'  'lives':2 'nine':1
                                   'search_artist'  'cat':2 'empire':3 'the':1
                                  'search_release'  'a':4 'groove':6 'new':5 'presents':2,3 'putumayo':1
                                     'search_rest'  'cat':7 'country':4 'dancehall':17 'dub':15 'empire':8 'exotica':2 'jazz':1 'lives':10 'loc':11 'nine':9 'oldies':3 'or':14 'reggae':13 'ska':16 'style':12 'the':6 'unsorted':5
                                    'search_combo'  'a':9C 'cat':4B,18 'country':15 'dancehall':28 'dub':26 'empire':5B,19 'exotica':13 'groove':11C 'jazz':12 'lives':2A,21 'loc':22 'new':10C 'nine':1A,20 'oldies':14 'or':25 'presents':7C,8C 'putumayo':6C 'reggae':24 'ska':27 'style':23 'the':3B,17 'unsorted':16
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['australian', 'jazz', 'ska', 'alternative', 'funk']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620520509.982942  (2021-05-09 02:35:09)
                             'size'  3171066