======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '609'
                                          'artist'  'Brian Eno'
                                     'text_people'  ''
                                         'release'  'Ambient 1- Music For Airports'
                                           'title'  '2-2'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-1', 'q-mixbeat-1', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  "['electronica', 'alternative', 'electronic', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '145.685'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ambient 1- Music For Airports'
'TBPM' (BPM (beats per minute))                     '145.685'
'TCON' (Content type, a.k.a. Genre)                 ['electronic', 'electronic']
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         '2-2'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Brian Eno'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'alternative', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.10 dB'
'TXXX:replaygain_track_peak'                        '0.816229'

========================== row from database ==========================
                                              'id'  1336439
                                            'path'  /data/Music/Bulk/00poprockelectronic/Brian Eno/ambient 1 music for airports/Brian Eno - 2-2.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  609
                                           'genre'  electronic
                                        'filesize'  9758592
                                           'mtime'  1636913839
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic ambient music for airports electronic
                                      'tag_artist'  Brian Eno
                                     'tag_release'  Ambient 1- Music For Airports
                                       'tag_title'  2-2
                                             'bpm'  145.685
                                    'search_title'  '2':1,2 '22':3
                                   'search_artist'  'brian':1 'eno':2
                                  'search_release'  '1':2,3 'airports':6 'ambient':1 'for':5 'music':4
                                     'search_rest'  '00poprockelectronic':1 'airports':5 'ambient':2 'electronic':6 'for':4 'music':3
                                    'search_combo'  '00poprockelectronic':12 '1':7C,8C '2':1A,2A '22':3A 'airports':11C,16 'ambient':6C,13 'brian':4B 'electronic':17 'eno':5B 'for':10C,15 'music':9C,14
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['electronica', 'alternative', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913839.4844213  (2021-11-14 19:17:19)
                             'size'  9758592