======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '177'
                                          'artist'  'The Invisible Hands'
                                     'text_people'  'Alvarius B.'
                                         'release'  'The Invisible Hands [Disc 1]'
                                           'title'  'Summer Rain'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-JZFKS-1', "
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 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['psychedelic folk', 'psychedelic rock', 'folk', 'psychedelic', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '11'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '121.264'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'The Invisible Hands [Disc 1]'
'TBPM' (BPM (beats per minute))                     '121.264'
'TCMP'                                              '0'
'TCOM' (Composer)                                   'Alvarius B.'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TCOP' (Copyright message)                          '? 2013 Shwedagon Publishing BMI'
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'Summer Rain'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Invisible Hands'
'TPE2' (Band/orchestra/accompaniment)               'The Invisible Hands'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Abduction'
'TRCK' (Track number/Position in set)               '10/11'
'TXXX:Purchase Date'                                'urchase Date'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:iTunMOVI'                                     'TunMOVI'
'TXXX:iTunNORM'                                     'TunNORM'
'TXXX:iTunSMPB'                                     'TunSMPB'
'TXXX:lastfmtags'                                   ['psychedelic folk', 'psychedelic rock', 'folk', 'psychedelic', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.34 dB'
'TXXX:replaygain_track_peak'                        '0.421234'

========================== row from database ==========================
                                              'id'  1376443
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/2013 - The Invisible Hands (Deluxe Version)/1-10 summer rain.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  177
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  5904461
                                           'mtime'  1637330475
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 2013 (Deluxe Version) 10 summer rain ifs songwriter experimental
                                      'tag_artist'  The Invisible Hands
                                     'tag_release'  The Invisible Hands [Disc 1]
                                       'tag_title'  Summer Rain
                                             'bpm'  121.264
                                    'search_title'  'rain':2 'summer':1
                                   'search_artist'  'hands':3 'invisible':2 'the':1
                                  'search_release'  '1':6,7 'disc':4,5 'hands':3 'invisible':2 'the':1
                                     'search_rest'  '00singer':1 '2013':4 'deluxe':5,6 'eos':3 'experimental':12 'ifs':11 'rain':10 'songwriter':2 'summer':9 'version':7,8
                                    'search_combo'  '00singer':13 '1':11C,12C '2013':16 'deluxe':17,18 'disc':9C,10C 'eos':15 'experimental':24 'hands':5B,8C 'ifs':23 'invisible':4B,7C 'rain':2A,22 'songwriter':14 'summer':1A,21 'the':3B,6C 'version':19,20
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-PIANO-2', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic folk', 'psychedelic rock', 'folk', 'psychedelic', 'rock']
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330475.0171404  (2021-11-19 15:01:15)
                             'size'  5904461