======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '134'
                                          'artist'  'Bee Gees'
                                     'text_people'  ''
                                         'release'  'Second Hand Psychosis'
                                           'title'  'In My Own Time'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classic rock', '70s', 'oldies', 'pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '126.726'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Second Hand Psychosis'
'TBPM' (BPM (beats per minute))                     '126.726'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'In My Own Time'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bee Gees'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classic rock', '70s', 'oldies', 'pop', 'disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.717915'

========================== row from database ==========================
                                              'id'  1527411
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/The Trolls - Beat - second hand psychosis (60-70_s comp)/12 - bee gees - in my own time.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  134
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  1077257
                                           'mtime'  1620737185
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy The Trolls Beat second hand psychosis (60 70_s comp) 12 bee gees in my own time rock cppex psychedelic
                                      'tag_artist'  Bee Gees
                                     'tag_release'  Second Hand Psychosis
                                       'tag_title'  In My Own Time
                                             'bpm'  126.726
                                    'search_title'  'in':1 'my':2 'own':3 'time':4
                                   'search_artist'  'bee':1 'gees':2
                                  'search_release'  'hand':2 'psychosis':3 'second':1
                                     'search_rest'  '60':8,9 '70':10 'beat':4 'bee':14 'classicprogpsy':1 'comp':12,13 'cppex':21 'gees':15 'hand':6 'in':16 'my':17 'own':18 'psychedelic':22 'psychosis':7 'rock':20 's':11 'second':5 'the':2 'time':19 'trolls':3
                                    'search_combo'  '60':17,18 '70':19 'beat':13 'bee':5B,23 'classicprogpsy':10 'comp':21,22 'cppex':30 'gees':6B,24 'hand':8C,15 'in':1A,25 'my':2A,26 'own':3A,27 'psychedelic':31 'psychosis':9C,16 'rock':29 's':20 'second':7C,14 'the':11 'time':4A,28 'trolls':12
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', '70s', 'oldies', 'pop', 'disco']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737185.2627497  (2021-05-11 14:46:25)
                             'size'  1077257