======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '197'
                                          'artist'  'Tall Paul Vs INXS'
                                     'text_people'  ''
                                         'release'  'Ibiza Summer 2001'
                                           'title'  'Precious Heart (Original Mix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'q-syn-4', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-4', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['claudia-l radio station']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '136.092'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ibiza Summer 2001'
'TBPM' (BPM (beats per minute))                     '136.092'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Precious Heart (Original Mix)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tall Paul Vs INXS'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'claudia-l radio station'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.30 dB'
'TXXX:replaygain_track_peak'                        '0.516922'

========================== row from database ==========================
                                              'id'  1309303
                                            'path'  /data/Music/Bulk/00poprockelectronic/INXS/Tall Paul vs Inxs - Precious Heart (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  197
                                           'genre'  electronic-th-techno
                                        'filesize'  3162112
                                           'mtime'  1620569827
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic vs Inxs electronic th techno
                                      'tag_artist'  Tall Paul Vs INXS
                                     'tag_release'  Ibiza Summer 2001
                                       'tag_title'  Precious Heart (Original Mix)
                                             'bpm'  136.092
                                    'search_title'  'heart':2 'mix':5,6 'original':3,4 'precious':1
                                   'search_artist'  'inxs':4 'paul':2 'tall':1 'vs':3
                                  'search_release'  '2001':3 'ibiza':1 'summer':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':4 'inxs':3 'techno':6 'th':5 'vs':2
                                    'search_combo'  '00poprockelectronic':14 '2001':13C 'electronic':17 'heart':2A 'ibiza':11C 'inxs':10B,16 'mix':5A,6A 'original':3A,4A 'paul':8B 'precious':1A 'summer':12C 'tall':7B 'techno':19 'th':18 'vs':9B,15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['claudia-l radio station']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620569826.959869  (2021-05-09 16:17:06)
                             'size'  3162112