======================== unified (from filesystem) ========================
                                         'bitrate'  '139.5'
                                        'duration'  '178'
                                          'artist'  "Aubrey 'Moon' Mullican"
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I'll Sail My Ship Alone"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rockabilly', 'western swing', 'country', 'all', 'hillbilly boogie']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '84.035'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '84.035'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         "I'll Sail My Ship Alone"
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               "Aubrey 'Moon' Mullican"
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:DeviceConformanceTemplate'                    'L1'
'TXXX:IsVBR'                                        '1'
'TXXX:Length'                                       '178733'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['rockabilly', 'western swing', 'country', 'all', 'hillbilly boogie']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.498758'

========================== row from database ==========================
                                              'id'  1511757
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Old Country Music/Moon Mullican - i_ll sail my ship alone 1950 (ver1).wma.mp3
                                         'working'  None
                                         'bitrate'  139
                                    'duration_sec'  178
                                           'genre'  loc-namerica-country
                                        'filesize'  3123765
                                           'mtime'  1621628251
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Old Country Music i_ll sail my ship alone 1950 (ver1).wma loc namerica country
                                      'tag_artist'  Aubrey 'Moon' Mullican
                                     'tag_release'  None
                                       'tag_title'  I'll Sail My Ship Alone
                                             'bpm'  84.035
                                    'search_title'  'alone':7 'i':1 'ill':3 'll':2 'my':5 'sail':4 'ship':6
                                   'search_artist'  'aubrey':1 'moon':2,3 'mullican':4
                                  'search_release'  
                                     'search_rest'  '1950':13 'alone':12 'country':4 'exotica':2 'i':7 'jazz':1 'll':8 'loc':17 'music':6 'my':10 'namerica':18 'old':5 'oldies':3 'sail':9 'ship':11 'ver1':14 'ver1wma':16 'wma':15
                                    'search_combo'  '1950':24 'alone':7A,23 'aubrey':8B 'country':15 'exotica':13 'i':1A,18 'ill':3A 'jazz':12 'll':2A,19 'loc':28 'moon':9B,10B 'mullican':11B 'music':17 'my':5A,21 'namerica':29 'old':16 'oldies':14 'sail':4A,20 'ship':6A,22 'ver1':25 'ver1wma':27 'wma':26
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rockabilly', 'western swing', 'country', 'all', 'hillbilly boogie']
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628250.536149  (2021-05-21 22:17:30)
                             'size'  3123765