======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '169'
                                          'artist'  'The Chapparals'
                                     'text_people'  ''
                                         'release'  'Second Hand Psychosis'
                                           'title'  'I Tried So Hard'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-OLDST-2', 'q-chart-1', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  '[\'instrumental\', \'60s\', "rock\'n\'roll", "60\'s"]'
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '30'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '89.295'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Second Hand Psychosis'
'TBPM' (BPM (beats per minute))                     '89.295'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'I Tried So Hard'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Chapparals'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '30'
'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'                                   ['instrumental', '60s', "rock'n'roll", "60's"]
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                        '+0.30 dB'
'TXXX:replaygain_track_peak'                        '0.407356'

========================== row from database ==========================
                                              'id'  1525691
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/The Trolls - Beat - second hand psychosis (60-70_s comp)/30 - the chapparals - i  tried so hard.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  169
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  4739072
                                           'mtime'  1620737192
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Trolls Beat second hand psychosis (60 70_s comp) 30 the chapparals tried so hard rock cppex psychedelic
                                      'tag_artist'  The Chapparals
                                     'tag_release'  Second Hand Psychosis
                                       'tag_title'  I Tried So Hard
                                             'bpm'  89.295
                                    'search_title'  'hard':4 'i':1 'so':3 'tried':2
                                   'search_artist'  'chapparals':2 'the':1
                                  'search_release'  'hand':2 'psychosis':3 'second':1
                                     'search_rest'  '30':13 '60':7,8 '70':9 'beat':3 'chapparals':15 'classicprogpsy':1 'comp':11,12 'cppex':20 'hand':5 'hard':18 'psychedelic':21 'psychosis':6 'rock':19 's':10 'second':4 'so':17 'the':14 'tried':16 'trolls':2
                                    'search_combo'  '30':22 '60':16,17 '70':18 'beat':12 'chapparals':6B,24 'classicprogpsy':10 'comp':20,21 'cppex':29 'hand':8C,14 'hard':4A,27 'i':1A 'psychedelic':30 'psychosis':9C,15 'rock':28 's':19 'second':7C,13 'so':3A,26 'the':5B,23 'tried':2A,25 'trolls':11
                                    'tag_tracknum'  30
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', '60s', "rock'n'roll", "60's"]
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737191.8515215  (2021-05-11 14:46:31)
                             'size'  4739072