======================== unified (from filesystem) ========================
                                         'bitrate'  '138.946'
                                        'duration'  '145'
                                          'artist'  'Bibio'
                                     'text_people'  ''
                                         'release'  'Ambivalence Avenue'
                                           'title'  'The Palm Of Your Wave'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folktronica', 'electronic', 'folk', 'experimental', 'ambient']"
                                     'discogstags'  ("['electronic', 'rock', 'folk rock', 'disco', 'idm', 'hip hop', 'ambient', "
 "'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '121.264'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ambivalence Avenue'
'TBPM' (BPM (beats per minute))                     '121.264'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'The Palm Of Your Wave'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bibio'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic',
 'rock',
 'folk rock',
 'disco',
 'idm',
 'hip hop',
 'ambient',
 'experimental']
'TXXX:lastfmtags'                                   ['folktronica', 'electronic', 'folk', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.30 dB'
'TXXX:replaygain_track_peak'                        '0.315119'

========================== row from database ==========================
                                              'id'  238143
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Bibio/10-bibio-the_palm_of_your_wave.mp3
                                         'working'  None
                                         'bitrate'  139
                                    'duration_sec'  145
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  2534219
                                           'mtime'  1620645021
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 10 bibio the_palm_of_your_wave ifs songwriter eos
                                      'tag_artist'  Bibio
                                     'tag_release'  Ambivalence Avenue
                                       'tag_title'  The Palm Of Your Wave
                                             'bpm'  121.264
                                    'search_title'  'of':3 'palm':2 'the':1 'wave':5 'your':4
                                   'search_artist'  'bibio':1
                                  'search_release'  'ambivalence':1 'avenue':2
                                     'search_rest'  '00singer':1 'bibio':4 'eos':3 'ifs':10 'of':7 'palm':6 'songwriter':2 'the':5 'wave':9 'your':8
                                    'search_combo'  '00singer':9 'ambivalence':7C 'avenue':8C 'bibio':6B,12 'eos':11 'ifs':18 'of':3A,15 'palm':2A,14 'songwriter':10 'the':1A,13 'wave':5A,17 'your':4A,16
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['folktronica', 'electronic', 'folk', 'experimental', 'ambient']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic', 'rock', 'folk rock', 'disco', 'idm', 'hip hop', 'ambient', 'experimental']

============================== file details ==============================
                                           'mtime'  1620645020.5164113  (2021-05-10 13:10:20)
                             'size'  2534219