======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '267'
                                          'artist'  'Tom Cochrane'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Life Is A Highway'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'canadian', 'classic rock', 'singer-songwriter', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-pl-billboard'
                                             'bpm'  '103.115'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '103.115'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Life Is A Highway'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Cochrane'
'TRCK' (Track number/Position in set)               '0'
'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'                                   ['rock', 'canadian', 'classic rock', 'singer-songwriter', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.06 dB'
'TXXX:replaygain_track_peak'                        '0.774001'
'TXXX:tracknum'                                     '143'

========================== row from database ==========================
                                              'id'  1322825
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/143 - Tom Cochrane - Life Is A Highway (1992).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  267
                                           'genre'  electronic-generic or radio-unsorted;set-pl-billboard
                                        'filesize'  3751433
                                           'mtime'  1676052956
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 143 (1992) electronic generic or radio unsorted;set pl billboard
                                      'tag_artist'  Tom Cochrane
                                     'tag_release'  None
                                       'tag_title'  Life Is A Highway
                                             'bpm'  103.115
                                    'search_title'  'a':3 'highway':4 'is':2 'life':1
                                   'search_artist'  'cochrane':2 'tom':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '143':3 '1992':4,5 '90s':2 'billboard':15 'electronic':6 'generic':7 'or':8 'pl':14 'radio':9 'set':11,13 'unsorted':10,12
                                    'search_combo'  '00poprockelectronic':7 '143':9 '1992':10,11 '90s':8 'a':3A 'billboard':21 'cochrane':6B 'electronic':12 'generic':13 'highway':4A 'is':2A 'life':1A 'or':14 'pl':20 'radio':15 'set':17,19 'tom':5B 'unsorted':16,18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['rock', 'canadian', 'classic rock', 'singer-songwriter', 'pop']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676052955.9766138  (2023-02-10 19:15:55)
                             'size'  3751433