======================== unified (from filesystem) ========================
                                         'bitrate'  '320.015'
                                        'duration'  '230'
                                          'artist'  'The Beloved'
                                     'text_people'  ''
                                         'release'  'Ministry of Sound: Chilled 199'
                                           'title'  'Sweet Harmony (LP version)'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', '90s', 'electronic', 'pop', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '101.615'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ministry of Sound: Chilled 199'
'TBPM' (BPM (beats per minute))                     '101.615'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Sweet Harmony (LP version)'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Beloved'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '3'
'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'                                   ['dance', '90s', 'electronic', 'pop', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.72 dB'
'TXXX:replaygain_track_peak'                        '0.507851'

========================== row from database ==========================
                                              'id'  1347740
                                            'path'  /data/Music/Bulk/00poprockelectronic/Chilled/Chilled 1991-2008 Disc 1 mp3/03 - The Beloved - Sweet Harmony.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  230
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  9210743
                                           'mtime'  1621696139
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1991 2008 Disc mp3 03 electronic generic or radio dance
                                      'tag_artist'  The Beloved
                                     'tag_release'  Ministry of Sound: Chilled 199
                                       'tag_title'  Sweet Harmony (LP version)
                                             'bpm'  101.615
                                    'search_title'  'harmony':2 'lp':3,4 'sweet':1 'version':5,6
                                   'search_artist'  'beloved':2 'the':1
                                  'search_release'  '199':6 'chilled':5 'ministry':1 'of':2 'sound':3,4
                                     'search_rest'  '00poprockelectronic':1 '1991':2 '2008':3 'dance':10 'disc':4 'electronic':6 'generic':7 'mp3':5 'or':8 'radio':9
                                    'search_combo'  '00poprockelectronic':15 '199':14C '1991':16 '2008':17 'beloved':8B 'chilled':13C 'dance':24 'disc':18 'electronic':20 'generic':21 'harmony':2A 'lp':3A,4A 'ministry':9C 'mp3':19 'of':10C 'or':22 'radio':23 'sound':11C,12C 'sweet':1A 'the':7B 'version':5A,6A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', '90s', 'electronic', 'pop', 'synthpop']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696139.3696883  (2021-05-22 17:08:59)
                             'size'  9210743