======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '180'
                                          'artist'  'David Bowie'
                                     'text_people'  ''
                                         'release'  'The Rise and Fall of Ziggy Sta'
                                           'title'  "It Ain't Easy"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['classic rock', '80s', 'alternative', 'rock', 'glam rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '133.316'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Rise and Fall of Ziggy Sta'
'TBPM' (BPM (beats per minute))                     '133.316'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         "It Ain't Easy"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'David Bowie'
'TRCK' (Track number/Position in set)               '5'
'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:lastfmtags'                                   ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.49 dB'
'TXXX:replaygain_track_peak'                        '0.516564'

========================== row from database ==========================
                                              'id'  1498941
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/David Bowie/David Bowie - 1972 - Ziggy Stardust/MBZ;#David Bowie;#The Rise and Fall of Ziggy Stardust and The Spiders From Mars;#1990-00-00;#05;#It Ain_t Easy.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  180
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  2883055
                                           'mtime'  1623430282
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1972 Stardust MBZ;#David Bowie;#The Stardust Spiders From Mars;#1990 00 00;#05;#It Ain_t ifs songwriter eos
                                      'tag_artist'  David Bowie
                                     'tag_release'  The Rise and Fall of Ziggy Sta
                                       'tag_title'  It Ain't Easy
                                             'bpm'  133.316
                                    'search_title'  'ain':2 'aint':4 'easy':5 'it':1 't':3
                                   'search_artist'  'bowie':2 'david':1
                                  'search_release'  'and':3 'fall':4 'of':5 'rise':2 'sta':7 'the':1 'ziggy':6
                                     'search_rest'  '00':20,21,24 '00singer':1 '05':22,25 '1972':4 '1990':17,19 'ain':27 'bowie':10,12 'david':7,9 'eos':3 'from':15 'ifs':29 'it':23,26 'mars':16,18 'mbz':6,8 'songwriter':2 'spiders':14 'stardust':5 't':28 'the':11,13
                                    'search_combo'  '00':34,35,38 '00singer':15 '05':36,39 '1972':18 '1990':31,33 'ain':2A,41 'aint':4A 'and':10C 'bowie':7B,24,26 'david':6B,21,23 'easy':5A 'eos':17 'fall':11C 'from':29 'ifs':43 'it':1A,37,40 'mars':30,32 'mbz':20,22 'of':12C 'rise':9C 'songwriter':16 'spiders':28 'sta':14C 'stardust':19 't':3A,42 'the':8C,25,27 'ziggy':13C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623430281.5973501  (2021-06-11 18:51:21)
                             'size'  2883055