======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '1179'
                                          'artist'  'Hans Reichel & Tom Cora'
                                     'text_people'  ''
                                         'release'  'Angel Carver'
                                           'title'  'Rest Up, Premonitions'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['songs about dancing', 'daxophone', 'germany', 'free improvisation', 'usa']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '88.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Angel Carver'
'TBPM' (BPM (beats per minute))                     '88.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1988'
'TIT2' (Title/songname/content description)         'Rest Up, Premonitions'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hans Reichel & Tom Cora'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['songs about dancing', 'daxophone', 'germany', 'free improvisation', 'usa']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.18 dB'
'TXXX:replaygain_track_peak'                        '0.848286'

========================== row from database ==========================
                                              'id'  726634
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/hans reichel & tom cora - angel carver (1988)/01 rest up, premonitions.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  1179
                                           'genre'  electronic-unsorted
                                        'filesize'  37751022
                                           'mtime'  1620542486
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm hans reichel tom cora angel carver (1988) 01 rest up, premonitions electronic unsorted
                                      'tag_artist'  Hans Reichel & Tom Cora
                                     'tag_release'  Angel Carver
                                       'tag_title'  Rest Up, Premonitions
                                             'bpm'  88.0
                                    'search_title'  'premonitions':4 'rest':1 'up':2,3
                                   'search_artist'  'cora':4 'hans':1 'reichel':2 'tom':3
                                  'search_release'  'angel':1 'carver':2
                                     'search_rest'  '1988':7,8 'angel':5 'carver':6 'cora':4 'electronic':13 'hans':1 'premonitions':12 'reichel':2 'rest':9 'tom':3 'unsorted':14 'up':10,11
                                    'search_combo'  '1988':17,18 'angel':9C,15 'carver':10C,16 'cora':8B,14 'electronic':23 'hans':5B,11 'premonitions':4A,22 'reichel':6B,12 'rest':1A,19 'tom':7B,13 'unsorted':24 'up':2A,3A,20,21
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['songs about dancing', 'daxophone', 'germany', 'free improvisation', 'usa']
                                        'tag_date'  1988
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620542485.9192297  (2021-05-09 08:41:25)
                             'size'  37751022