======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '170'
                                          'artist'  'Right Said Fred'
                                     'text_people'  ''
                                         'release'  'Sounds of the 1980s (Super Clasicos)'
                                           'title'  "I'm Too Sexy"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['90s', 'dance', 'male vocalists', 'british', 'pop', '80s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '122.3'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sounds of the 1980s (Super Clasicos)'
'TBPM' (BPM (beats per minute))                     '122.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         "I'm Too Sexy"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Right Said Fred'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                   ['90s', 'dance', 'male vocalists', 'british', 'pop', '80s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.14 dB'
'TXXX:replaygain_track_peak'                        '0.662811'

========================== row from database ==========================
                                              'id'  1508164
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Level 42 - Sound of the 1980s (Super Clasicos) (002) (T)/102 - Right Said Fred - I_m Too Sexy.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  170
                                           'genre'  electronic-generic or radio
                                        'filesize'  2721202
                                           'mtime'  1621695853
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Level 42 (002) (T) 102 I_m electronic generic or radio
                                      'tag_artist'  Right Said Fred
                                     'tag_release'  Sounds of the 1980s (Super Clasicos)
                                       'tag_title'  I'm Too Sexy
                                             'bpm'  122.3
                                    'search_title'  'i':1 'im':3 'm':2 'sexy':5 'too':4
                                   'search_artist'  'fred':3 'right':1 'said':2
                                  'search_release'  '1980s':4 'clasicos':7,8 'of':2 'sounds':1 'super':5,6 'the':3
                                     'search_rest'  '002':7,8 '00poprockelectronic':1 '102':11 '42':6 'dance':3 'electronic':14 'generic':2 'i':12 'level':5 'm':13 'or':15 'radio':16 't':9,10 'trapbeat':4
                                    'search_combo'  '002':23,24 '00poprockelectronic':17 '102':27 '1980s':12C '42':22 'clasicos':15C,16C 'dance':19 'electronic':30 'fred':8B 'generic':18 'i':1A,28 'im':3A 'level':21 'm':2A,29 'of':10C 'or':31 'radio':32 'right':6B 'said':7B 'sexy':5A 'sounds':9C 'super':13C,14C 't':25,26 'the':11C 'too':4A 'trapbeat':20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['90s', 'dance', 'male vocalists', 'british', 'pop', '80s']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695852.6416397  (2021-05-22 17:04:12)
                             'size'  2721202