======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '395'
                                          'artist'  'Spiral Tribe'
                                     'text_people'  ''
                                         'release'  '1990s techno'
                                           'title'  '1992 Forward The Revolution'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-GRIT-3', 'q-bass-4', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'Q-SYN-4', 'Q-BUSY-3', 'Q-PLAY-2', 'Q-CHART-2', "
 "'Q-MIXBEAT-4']")
                                      'lastfmtags'  "['techno', 'tekno', 'hardtek', 'freetekno', 'rave']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '140.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '1990s techno'
'TBPM' (BPM (beats per minute))                     '140.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         '1992 Forward The Revolution'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Spiral Tribe'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '4'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['techno', 'tekno', 'hardtek', 'freetekno', 'rave']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.62 dB'
'TXXX:replaygain_track_peak'                        '0.620496'

========================== row from database ==========================
                                              'id'  1539672
                                            'path'  /data/Music/Bulk/00poprockelectronic/1990_S TECHNO__SOME OF MY VINYLS_/SPIRAL TRIBE_1992_FORWARD THE REVOLUTION.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  395
                                           'genre'  electronic-th-techno
                                        'filesize'  6326742
                                           'mtime'  1678648554
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1990_S TECHNO__SOME OF MY VINYLS_ SPIRAL TRIBE_1992_FORWARD THE REVOLUTION electronic th
                                      'tag_artist'  Spiral Tribe
                                     'tag_release'  1990s techno
                                       'tag_title'  1992 Forward The Revolution
                                             'bpm'  140.7
                                    'search_title'  '1992':1 'forward':2 'revolution':4 'the':3
                                   'search_artist'  'spiral':1 'tribe':2
                                  'search_release'  '1990s':1 'techno':2
                                     'search_rest'  '00poprockelectronic':1 '1990':2 '1992':11 'electronic':15 'forward':12 'my':7 'of':6 'revolution':14 's':3 'some':5 'spiral':9 'techno':4 'th':16 'the':13 'tribe':10 'vinyls':8
                                    'search_combo'  '00poprockelectronic':9 '1990':10 '1990s':7C '1992':1A,19 'electronic':23 'forward':2A,20 'my':15 'of':14 'revolution':4A,22 's':11 'some':13 'spiral':5B,17 'techno':8C,12 'th':24 'the':3A,21 'tribe':6B,18 'vinyls':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-GRIT-3', 'q-bass-4', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-SYN-4', 'Q-BUSY-3', 'Q-PLAY-2', 'Q-CHART-2', 'Q-MIXBEAT-4']
                                      'lastfmtags'  ['techno', 'tekno', 'hardtek', 'freetekno', 'rave']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1678648554.1634192  (2023-03-12 20:15:54)
                             'size'  6326742